The reason he was late for the meeting was he forgot to use the alarm clock.
A. which; because
B. why; because
C. why; that
D. that; because
网友回答
A. which; because
B. why; because
(答案→)C. why; that
D. that; because
解析:考查句型: the reason why … is that … ,什么的原因是,句意:他会议迟到的原因就是他忘了使用闹铃。故选C。