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 been questioned
B．is being questioned
C．is questioning
D．has questioned
答案
B
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”。