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# Use of Verb-ing modifier after comma

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Intern
Joined: 04 Aug 2010
Posts: 38

Kudos [?]: 5 [0], given: 2

Use of Verb-ing modifier after comma [#permalink]

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16 Oct 2011, 03:53
Scientists have recently discovered that the ultrathin, layered construction of a butterfly’s wings, the same as the one making some butterflies shimmer via the phenomenon of iridescence, are enabling the insect to control how much heat energy is absorbed by its wings and how much is reflected away.
A. wings, the same as the one making some butterflies shimmer via the phenomenon of iridescence, are enabling
B. wings, which is the same one that makes some butterflies shimmer via the phenomenon of iridescence, that also enables
C. wings is the same as the one that makes some butterflies shimmer via the phenomenon of iridescence, enabling
D. wings—the same construction that makes some butterflies shimmer via the phenomenon of iridescence—also enables
E. wings—of the same construction that makes some butterflies shimmer via the phenomenon of iridescence—also enable

Source: GMATPrep SC

According to the MGMAT SC Guide, Verb-ing modifiers after the comma modify the entire previous clause. The previous clause is "makes some butterflies" but "enabling" can not modify butterflies.

The next previous clause is "Construction of butterfly's wings...". Experts please explain why in option C, the verb-ing modifier after comma isn't modifying "construction of butterfly's wings" even though it is the subject of the previous clause?

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Manhattan Prep Instructor
Joined: 22 Mar 2011
Posts: 1109

Kudos [?]: 1170 [0], given: 29

Re: Use of Verb-ing modifier after comma [#permalink]

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16 Oct 2011, 22:43
I'm not sure what your question is here. Do you want to know why C is incorrect? (D is the answer.) The main problem with C isn't structural/grammatical--it's that it doesn't have a sensible meaning.
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Kudos [?]: 1170 [0], given: 29

Re: Use of Verb-ing modifier after comma   [#permalink] 16 Oct 2011, 22:43
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