单项选择题

Questions 11 to 18 are based on the conversation you have just heard.

A．It involved a few lunches.
B．There were three lunches.
C．There were free lunches.
D．There were more than free lunches.

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Questions 11 to 18 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。