For some reason the new consultant treats his clients like idiots, talking to them like they were mentally deficient and incapable of understanding more than the simplest ideas.

(A) like idiots, talking to them like they

(B) as if they were idiots, talking to them like they

(C) like idiots, talking to them as if they

(D) as idiots, talking to them like they（C）

(E) like idiots who

为什么Ｄ是错的嘛？ＡＳ后面一定要跟句子吗

D项，后面like是介词不能引导句子所以错

treat sb as/like something 都可以（from longman)

这样啊

谢谢了哦