—I don’t suppose the police know who did it.—Well surprisingly they do.A man has been ar

问题补充：

—I don’t suppose the police know who did it.

—Well, surprisingly they do.A man has been arrested and now.

A. has been questioned

B. is being questioned

C. is questioning

D. has questioned

答案：

A. has been questioned

(答案→)B. is being questioned

C. is questioning

D. has questioned

解析：从句中的时间状语now可知，应用现在进行时态，排除A、D两项；而且这个人是“被审讯”，所以答案为B项。句意为“一个人已经被逮捕了，正在接受审讯”。