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Unlike the nests of leaf cutters and most other ants situated

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Unlike the nests of leaf cutters and most other ants , situated underground or in pieces of wood, raider ants make a portable nest by entwining their long legs to form "curtains" of ants that hang from logs or boulders, providing protection for the queen and the colony larvae and pupae.
(A) the nests of leaf cutters and most other ants
(B) the nests of leaf cutters and most other ants, which are
(C) leaf cutters and most other ants, whose nests are
(D) leaf cutters and most other ants in having nests
(E) those of leaf cutters and most other ants with nests

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GMATwithCJ
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Solution

Sentence Analysis

  • Unlike the nests of leaf cutters and most other ants, (Unlike introduces comparison. The nests are being compared with the subject of the main clause)
    • situated underground or in pieces of wood, (verb-ed modifier modifying "the nests")
  • raider ants make a portable nest (Main subject ? "raider ants"; Main Verb ? "make")
    • by entwining their long legs to form "curtains" of ants (prepositional phrase modifying the verb)
      • that hang from logs or boulders, (relative clause modifying "curtains")
        • providing protection for (verb-ing modifier modifying the "that" clause)
          • the queen and
          • the colony larvae and pupae.

As is, the sentence illogically compares the nests with raider ants. Since "raider ants" is in the non-underlined part, ?unlike? must be followed by leaf cutters (and most other ants). The sentence would then logically mean:

Whereas leaf cutters and most other rants create their nests underground or in pieces of wood, raider ants make a portable nest. Raider ants create a portable nest by twisting their long legs to form curtains of ants. These curtains hang from logs or boulders and, as a result, provide protection for the queen and the colony larvae and pupae.

The sentence has one error: it illogically compares the nests with raider ants.

Option Analysis

(A) Incorrect . For the error mentioned above.

(B) Incorrect . It has the same error as option A has.

(C) Correct . This option corrects the original error without introducing any new error.

(D) Incorrect . The prepositional phrase "in having nests" seems to modify the subject "raider ants" and thus imply that raider ants have their nests underground. From the remaining part of the sentence, it is clear that this is not the case.

(E) Incorrect . It is not clear what "those" refers to. Also, no matter what "those" refers to, the comparison is illogical since the logical comparison has to be between (leaf cutters and most other ants) and (raider ants).

answered Jun 10, 2017 by Beginner (1 point)
gmatclubforum
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Unlike the nests of leaf cutters and most other ants , situated underground or in pieces of wood, raider ants make a portable nest by entwining their long legs to form "curtains" of ants that hang from logs or boulders, providing protection for the queen and the colony larvae and pupae.
(A) the nests of leaf cutters and most other ants
(B) the nests of leaf cutters and most other ants, which are
(C) leaf cutters and most other ants, whose nests are
(D) leaf cutters and most other ants in having nests
(E) those of leaf cutters and most other ants with nests
As soon as I read the sentence, there is a comparison of X and Y as we have a marker of "Unlike". And we need to compare correct nouns to correct nouns.
So, for the non - underlined part, the type of ants are compared, so we need type of ants at the beginning.
Hence A,B and E goes off.
Next, Unlike X, Y does Z -> is the correct structure. So, we need an action describing what Y does that X doesn't do.
If we need to add extra information, we need a modifier. Option C) does exactly that.
For option D) in having -> looks like an action for X which is not correct. And besides, that, having is used for possessive form.
hence C)

answered Jun 10, 2017 by Beginner (21 points)
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