第31题: [单项选择]Questions 11 to 18 are based on the conversation you have just heard. A. She hasn’t called the travel agency yet. B. The man may have to reschedule his trip. C. She doesn’t know when her semester ends. D. The man should take his vacation somewhere else. 参考答案:B 答案解析:[听力原文] M: I just called the travel agency, it’s all set. On June first, I’m heading for the mount