—I believe we will have a good time with Miss Green in your birthday party.—Maybe. But it

问题补充：

—I believe we will have a good time with Miss Green in your birthday party.

—Maybe. But it is still a question, you know, she can spare time to come.

A. whether

B. /

C. that

D. which

答案：

(答案→)A. whether

B. /

C. that

D. which

解析：句意：--我相信我们在生日聚会上将和格林小姐玩的很开心。--也许吧，但是你知道是否她能有时间来还是一个问题。这里it是形式主语，whether引导的是真正的主语从句，whether在从句中不作成分，但是有词意，故选A。