—Wecouldhavewalkedtothestation;itwassonear.—Yes,ataxi

问题详情：

— We could have walked to the station; it was so near.

— Yes, a taxi ________at all necessary.

A. wasn’t                     B. hadn’t been                C. wouldn’t be            D. won’t be

【回答】

A

知识点：动词时态

题型：选择题