Today’s technology allows manufacturers to make smallcars more fuel-efficient now than at any time in their production history. A. small cars more fuel-efficient now than at any time intheir B. small cars that are more fuel-efficient than they were atany time in their C. small cars that are more fuel-efficient than those at anyother time in D. more fuel-efficient small cars than those at any other timein their E. more fuel-efficient small cars now than at any time in
答案是C, 但是small cars 后面的that感觉有些问题啊,求NN解释
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