matt882 wrote:
The answer is B, but B has the problem that the pronoun "they" has an ambiguous referent (scientist VS shark).
Off course scientist cannot live underneath the sea level at 2000 m and off course GMAT put meaning first, but I don't think a real GMAT question would appear in this format.
Matt
agree with you mate , they in 2nd clause would correct if shark were presented 1st in the 1st clause .
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