suddenly occurred to me I had to attend an important meeting in Shanghai the next day.A

问题补充：

suddenly occurred to me I had to attend an important meeting in Shanghai the next day.

A. It; which

B. What; that

C. What; which

D. It; that

答案：

A. It; which

B. What; that

C. What; which

(答案→)D. It; that

解析：句意：我突然想起我第二天得参加一个在上海举行的一个重要的会议。我突然想起是固定句式： It suddenly occurred to me that ....故选D。

考点: 考查固定句型的用法。