He told us whether a meeting was still under discussion.A. to haveB. havingC. haveD. had

问题补充：

He told us whether a meeting was still under discussion.

A. to have

B. having

C. have

D. had

答案：

(答案→)A. to have

B. having

C. have

D. had

解析：

这里考查“疑问词+不定式”做主语的用法，句意是：他告诉我们是否要举行会议还在讨论中。