帮我做一个虚拟语气的选择题.
It is about time the police _____ illegal gambling.
A.do away with B.did away with C.have done away with D.should do away with
按说It is (high,about等)time that 后面跟虚拟语气谓语动词可以用过去式或者should+do的用法,但是在这个题目里面出现两种情况,选择哪个好呢?