问题
选择题
----I don’t suppose the police know who did it.
----Well, surprisingly they do. A man has been arrested and _____ now.
A．has being questioned
B．is questioning
C．has questioned
D．is being questioned
答案
答案：D
时态题。“我想警方不知谁干的这事。”“令人吃惊的是他们知道，他们逮捕了一个人并且正在审讯。”根据句意以及句中时间状语now应选现在进行时的被动语态形式。。