I haven't heard from Henry for a long time.-What do you suppose----to him?

问题描述:

I haven't heard from Henry for a long time.-What do you suppose----to him?
A.was happenning
B.to happen
C.has happend
D.had happend

我很久没和亨利联系了.你觉得他发生了什么事吗?
C.happen 没有正在进行时,因此和前面一样用完成时,has happened