—What do you think of the meeting held yesterday evening?
—It was a tiring one, I kept falling asleep.
A. where
B. which
C. that
D. during which
网友回答
A. where
B. which
C. that
(答案→)D. during which
解析： 考查非限制性定语从句，句意：你认为昨天晚上举行的会议怎么样？是令人厌烦的一次会议，在会议期间我一直在睡觉。在会议期间应用during the meeting，所以选D。