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

问题补充：

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

答案：

由twice(两倍)和energy后的as可知，此题是考查用“倍数+as+形容词原级+as”来表达倍数的方法。