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SC: "Unlike frogs that metamorphose..."

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by bubblehead0922 » Wed May 17, 2017 11:45 am
Dear Mitch,

Could you please explain why choice C is wrong? I understand that it is important to have the logical subject in the sentence containing "unlike".

The subject in choice C is mountain yellow-legged tree frogs. Also, I think the verbing modifier "thus being restricted" is correct here to express the result of "taking 3 to 4 years to reach adulthood."

Is it because of the insertion of the phrase " in the Sierra Nevada"? Is it because this phrase changed intended meaning of the sentence?

Thanks for your time in advance.
GMATGuruNY wrote:
melanie.espeland wrote:In D, restricted is now an adjective of what?
On the GMAT, COMMA + VERBed -- or COMMA + adverb + VERBed -- generally serves to modify the immediately preceding noun or noun phrase.
In D, COMMA + thus restricted seems to refer to adulthood (the immediately preceding noun), implying that ADULTHOOD is thus restricted to deeper bodies of water.
Not the intended meaning.
Eliminate D.
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