7.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
(E) like idiots who
Answer: C
I picked A, I thought we can't use "as if"? Can someone explain?