问题补充:
The comments on the film, this is one example, are very sharp.
A. of what
B. for that
C. of which
D. for which
答案:
A. of what
B. for that
(答案→)C. of which
D. for which
解析:考查定语从句:句意:这个电影的评论很尖锐,这是其中的一个例子。定语从句应该是由this is one example of thecomments,改过来的,用of which引导定语从句,选C。