单项选择题

Questions 23 to 25 are based on the conversation you have just heard.

A．His notes are poor.
B．He has missed a couple of classes.
C．His vision is getting worse.
D．He doesn’t have any money to buy notes.

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Questions 23 to 25 are based on the conversation you have just heard. 您的浏览器不支持 audio 元素。