-We could have walked to the station;it was so near.-Yes.A taxi ( ) at all necessary....

问题描述:

-We could have walked to the station;it was so near.-Yes.A taxi ( ) at all necessary....
-We could have walked to the station;it was so near.
-Yes.A taxi ( ) at all necessary.
a.was not
b.had not been
c.would not be

A
“我们能走路去车站,那很近.”
“是的,坐出租车完全不必要”
这属于虚拟语气的.
前句could have done “本能干...而没干”
后面的问题是陈述一个猜想的事实,
这个事实已经发生过了,
所以是过去时.