单选题 Why did Mrs. David feel surprised after she answered the telephone?

【正确答案】 B
【答案解析】[解析] 根据第四、第五段得知戴维夫人在听到自己告诉那个男人他打错电话后,男人仍然说“Oh,sorry,it began twenty minutes ago? Goodbye”。戴维夫人很不理解而感到惊讶。