一道选择题 （定语从句）~
--Have the police caught the thieves__the bank last week?
--Yes,they were caught yesterday.
A.that robbed B.which robbed
C.robbed D.who have robbed
应该选什么?为什么?谢谢
参考答案:A.THAT即可指代物又可指代人,而此句中先行词不可省,排除C,WHICH只可指物,B排除,本句为叙述说明贼抢银行的事,因此不用现在完成时,排除D.