Question

I was out of town at the time, so I do not know exactly how it

A.was happening
B.happened
C.happens
D.has happened

Answer 1

【答案】：B

本题考查的是句子时态。句意为：当时我不在城里，所以不知道事情是怎样发生的。根据语境可知，事情发生在过去，所以要用一般过去时。故选B。