一道英文题的原因(有答案)

问题描述:

一道英文题的原因(有答案)
Tim _____________________________ paper _______ before.
A.throws not as much ,as
B.throws not as much ,than
C.does not throw as much ,as
D.does not throw as much ,than

答案是C.动词的否定形式要加助动词,not as/so...as...表示“不如...”.
这句话的意思是:Tim没有以前扔的纸多了.