第23题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. Doctor and nurse. B. Boss and secretary. C. Customer and waitress. D. Manager and clerk. 参考答案:B 答案解析:[听力原文]
M: I must say the steak was delicious and I’ve never had better service.
W: Thank you, sir.