It's time he________something for his coming examination.

It's time he________something for his coming examination.
A、do
B、does
C、did
D、will do
【正确答案】：C
【题目解析】：在“It is(was)+time+that从句”的句型中，要使用虚拟语气，即that从句中的谓语动词要用一般过去时。