What do you think of the reason he gave at the meeting yesterday?
A. why
B. for which
C. that
D. in which
网友回答
A. why
B. for which
(答案→)C. that
D. in which
解析：考查定语从句，这句话的先行词虽然是the reason，但是定语从句中缺少的是give的宾语，所以用that或which引导定语从句，句意：你认为他昨天在开会的时候给出的建议怎么样？选C。