A-A+
We didn't know his telephone number otherwise
问题详情
We didn"t know his telephone number, otherwise we ______ him.
A．would have telephoned
B．must have telephoned
C．would telephone
D．had telephoned
参考答案
正确答案：A
解析：题干中的otherwise为解题关键，它暗示了后一分句应该用虚拟语气。又因为前一分句的谓语动词是过去式，而otherwise假设的情况与过去事实相反，因此后一分句的虚拟语气应是would+have+动词的过去分词，答案为A 。
