adkikani wrote:
Hi Gmatninjatwo,
Is which correctly used on Option C, but issue with plural them?
We need singular pronoun IT to refer to the bird.
Helloadkikani /Arpit,
I would be glad to help you with this one.
IMHO, use of which is not an issue in Choice C because it is an established fact that birds use wings for flight. Hence, logically, which refers to a slightly far-away nounlarge clawlike "thumbs" .
This sentence purely
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