The meetings are very short so there is little to have a real discussion.A. challengeB.

问题补充：

The meetings are very short, so there is little to have a real discussion.

A. challenge

B. change

C. chance

D. chapter

答案：

A. challenge

B. change

(答案→)C. chance

D. chapter

解析：考查名词辨析。A挑战；B改变；C机会，可能性；D章，节；句意：这个会议很简短，所以几乎没有讨论的机会。根据句意说明C正确。