一道比较语法题请教

cissygeng

17. In the 1980’s the rate of increase of the minority population of the United States wasnearly twice as fast as the 1970’s.

(A) twice as fast as
(B) twice as fast as it was in
(C) twice what it was in
(D) two times faster than that of
(E) two times greater than

请问B为什么不对呢？正确答案是C

ogmat

我觉得是不能用fast来比较，
而c解释是twice sth，是什么的2倍，
：P 不知道对不对？

xink

同意楼上的。
应该是C。
TWICE 后不能接FAST，须接AS MUCH AS/AS MANY AS。或TWICE STH。
C IS CLEAR AND CONCISE。