第15题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard. A. She has seen a doctor recently. B. She’s concerned about medical care. C. She’s unable to attend the study session. D. She mentions the need for some medical tests. 参考答案:C 答案解析:[听力原文] 19-22 W: Oh, Jack. I’m glad I caught you. I want to tell you I have to skip the history st