---I didn’t go to Mary’s party last night because my car broke down.
---You could have borrowed mine. I it.
A. hadn’t used
B. didn’t use
C. wasn’t using
D. wouldn’t use
网友回答
A. hadn’t used
B. didn’t use
(答案→)C. wasn’t using
D. wouldn’t use
解析：C项表示“当时未使用”。B项表示“未使用过”，不符合语境。
【标签】动词时态