The ments on the film, this is one example, are very sharp.
A. of what
B. for that
C. of which
D. for which
网友回答
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 thements，改过来的，用of which引导定语从句，选C。