Keshav1427 wrote:
I thought that option C was the best answer, can you explain me how A is correct
The answer is (A).
Choice (A) is correct as written. Who’s is the contraction for who is and “who is to blame”
makes sense here.
Choice (B) uses the possessive form, which is grammatically incorrect in this sentence.
Choice (C) changes the wording in an effort to fix the sentence but inadvertently creates a
different error: who to blame is never correct. Blame requires an object and the proper form, then,
would
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