The reason at the meeting for being late was not reasonable.
A. why he gave
B. what he gave
C. he gave
D. on which he gave
网友回答
A. why he gave
B. what he gave
(答案→)C. he gave
D. on which he gave
解析：考查定语从句。根据句意可知B正确。句意：他给出的开会迟到的原因不合理。定语从句He give修饰先行词the reason,并在句子作宾语。