单选题 We didn't know his telephone number, otherwise we ______ him.
  • [A] would have telephoned
  • [B] must have telephoned
  • [C] would telephone
  • [D] had telephoned


【正确答案】 A
【答案解析】[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]。