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Hurricanes at first begin traveling from east to west because that

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Hurricanes at first begin traveling from east to west, because that direction is the way the prevailing winds in the tropics blow, but they then veer off toward higher latitudes, in many cases changing direction toward the east before dissipating over the colder, more northerly waters or over land.
(A) Hurricanes at first begin traveling from east to west, because that direction is the way the prevailing winds in the tropics blow, but
(B) At first, hurricanes travel from east to west, because that is the direction of the prevailing winds in the tropics, but
(C) While hurricanes travel from east to west at first, the direction of the prevailing winds blowing in the tropics, and
(D) Because hurricanes at first travel from east to west, since it is the direction of the prevailing winds in the tropics,
(E) Hurricanes, beginning by traveling from east to west, because this is the direction of the prevailing winds in the tropics,

Official Answer

3 Answers

GMATwithCJ
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Top Pick from GMAT with CJ

Solution

Sentence Analysis

  • Hurricanes at first begin traveling from east to west, (Main clause. Subject ? "Hurricanes"; Verb ? "begin")
    • because that direction is the way (Dependent clause modifying the main verb. Subject ? "that direction"; Verb ? "is")
      • the prevailing winds in the tropics blow, (dependent clause modifying "way" Subject ? "winds"; Verb ? "blow")
  • but they then veer off toward higher latitudes, (Another independent clause. Subject ? "they"; Verb ? "veer off")
    • in many cases changing direction toward the east before dissipating over the colder, more northerly waters or over land. (Verb-ing modifier modifying the preceding clause)

The sentence says:

Hurricanes begin their travel from east to west because the prevailing winds in the tropics blow in the same direction, but then the hurricanes move toward higher latitudes. In many cases, (when they are moving toward higher latitudes) they change direction toward the east before they dissipate over the colder waters or land.

The sentence has the following errors:

  1. The use of both "at first" and "begin" creates redundancy.
  2. "That direction is the way" is an overly wordy way to express the idea ? "way" means same as "direction".
  3. Since the second independent clause presents the idea in the simple present tense ("veer off"), it is logical to expect in the given context that the first will also present the information in simple present i.e. using "travel".

Option Analysis

(A) Incorrect . For the reasons mentioned above.

(B) Correct . This option corrects all the three errors in the original sentence without introducing any new error.

(C) Incorrect . For the following reasons:

  1. Since "while" introduces a dependent clause, an independent clause is expected after the "while" clause. However, "the direction_ tropics" is not an independent clause since it doesn?t have a verb.
  2. This option seems to illogically present a contrast between "hurricanes travel_" and "the direction _tropics". The logical and original relationship is of causality between these two ideas.
  3. Structurally, "they" in the second independent clause now seems to refer to "the direction of the prevailing winds".

(D) Incorrect . For the following reasons:

  1. The use of "because" and "since" together is incorrect.
  2. The non-underlined part becomes the main clause for the "since" clause in this option. However, there is no causal relationship between the "since" clause and the non-underlined part. Thus, the given structure doesn?t make sense.

(E) Incorrect . For the following reasons:

  1. No verb for "Hurricanes".
  2. The independent clause in the non-underlined part is not connected properly with the previous independent clause. Two independent clauses cannot be joined just by a comma.
answered Jun 10, 2017 by Beginner (1 point)
gmatclubforum
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Top Pick from GMAT Club Forum
Hi, I hope this video helps. This question is tricky, but if you take advantage of the rule "skip over the appositives and see if it makes sense," then it becomes easier to handle.
answered Jun 10, 2017 by Beginner (21 points)
Vikram Aditya Jaiswa
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Is the Answer B?? B seems to be most logical and terse structure
answered Jun 11, 2017 by Beginner (1 point)
1Comments
Yes its B. The answer is B
commented Jun 11, 2017 by Guru (5,628 points)
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