I didn’t go to class last night because my car broke downYou mine. I wasn’t us

问题补充：

--- I didn’t go to class last night because my car broke down.

--- You mine. I wasn’t using it.

A. could borrow

B. may borrow

C. could have borrowed

D. may have borrowed

答案：

A. could borrow

B. may borrow

(答案→)C. could have borrowed

D. may have borrowed

解析：考查虚拟语气。句意：因为我的车抛锚了，昨晚我没去上课。——你借我的啊！我没有用它。可知选C，“could+have+done”是虚拟语气，表示对过去事情的假设，意思是本来能够做某事而没有做。