GMAT Sentence Correction (SC) | Re: Between 14,000 and 8,000 b.c. the ice cap that covered northern Asia,

The melting was just incidental and not intentional. Therefore, the infinitive 'to uncover' is out of sync. Drop B, C, and E. Between A and D, " the phrase, 'which are to be occupied' in D makes no sense as if these areas are waiting for some 16000 years for someone to occupy. A is the best available among all

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