It is reported that the United States uses energy as the whole of Europe. A. as twiceB. t

It is reported that the United States uses energy as the whole of Europe.
A. as twice
B. twice much
C. twice much as
D. twice as much

A. as twiceB. twice muchC. twice much as(答案→)D. twice as much解析：考查倍数的表达：句意：据报道美国人使用的能源是整个欧洲的两倍。倍数的一种表达是：倍数+as+adj+as，倍数在前，排除A，后面有as了，所以选B。

我明天再问问老师，叫他解释下这个问题