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Logical Predication + Verb form

IMO D

It is because in C them has no clear referrant. i.e. wolves / researchers. In D the reference is clear and also 'becomes' is more appropriate than 'has become'

by nihar_gmat

Tue Oct 27, 2009 11:38 am
Forum: Sentence Correction
Topic: idiom problem
Replies: 8
Views: 1681