重开一贴：大全 补充-107

ustchero

107.
                    American productivity is declining in relation to Europe’s; the energy expended per unit of production in the United States is as much as twice that expended in West Germany.

(A) as much as twice that expended in West Germany

(B) as much as twice that of West Germany’s expenditure

(C) up to two times of West Germany’s expenditure

(D) up to two times what West Germans expended（A）

(E) up to double the West German expenditure

准确答案A，请问 CDE中的 up to 的用法有错么

进一步问：D错在哪里

3X

ustchero

还有A中的twice 是adv. ,twice修饰 that明显不合理，twice 是修饰as much as？