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题库 / Prep2007E1-SC-164
One automobile manufacturer has announced plans to increase the average fuel efficiency of its sport utility vehicles by 25 percent over the next five years, amounting to roughly five miles per gallon, and representing the first significant change in the fuel efficiency of any class of passenger vehicle in almost two decades.
amounting to roughly five miles per gallon, and representing
amounting to roughly five miles per gallon, and it would represent
an increase that would amount to roughly five miles per gallon and it would represent
an increase that would amount to roughly five miles per gallon and would represent
which is an increase amounting to roughly five miles per gallon, representing
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E uses the relative pronoun "which." As written, its antecedent would be "years" and that makes no sense in the sentence.
C and D fix the problem by introducing "an increase." Now, "amounting to..." is a noun modifier that modifies "an increase." Eliminate A, B, and E.
Between C and D, eliminate C because it introduces an ambiguous pronoun "it." I'd go for D.
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