It is about time that the government _____ strong actions agains

It is about time that the government _____ strong actions against embezzlement and official profiteering.
A、is taking
B、takes
C、took
D、will take
【正确答案】：C
【题目解析】：C it is about(high) time that…… 虚拟语气的固定用法之一，从句中谓语动词要用一般过去式。