问题
I went to work on foot yesterday, though it _______ cats and dogs.— You _______ by bus. It was easy for you to get a cold.
A:is raining; must have gone
B:rained; would go
C:have rained; could have gone
D:was raining; should have gone
B:rained; would go
C:have rained; could have gone
D:was raining; should have gone
正确答案是：
