单选题 Had you told us the flight was delayed, we ______ to the airport much later.

【正确答案】 D

【答案解析】虚拟语气的过去完成时态可以表示对于过去的愿望或者后悔，符合句意。Had you told us～部分是if youhad told us的倒装。虚拟语气的过去完成时态的基本结构是。