To meet the rapidly rising market demand for fish and seafood, suppliers are growing fish twice as fast as their natural growth rate, cutting their feed allotment by nearly half and raising them on special diets.
their natural growth rate, cutting their feed allotment
their natural growth rate, their feed allotment cut
growing them naturally, cutting their feed allotment
they grow naturally, cutting their feed allotment
they grow naturally, with their feed allotment cut
Ron:
C选项:(c) suggests that even natural growth still has to be performed by the suppliers.
D选项是否存在代词不明确的问题:
this is a good point -- the correct answer to this problem, yet again, contains a pronoun that is technically ambiguous.
however, as we've seen again and again and again and again, not all ambiguous pronouns are incorrect!
so here's the simplest way of making the decision:
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