单项选择题

Questions 14-17 are based on the following dialogue between classmates about their presentation. You now have 20 seconds to read Questions 14-17. How much time do the man and the woman have before they address the class

A．Less than ten minutes.
B．About twenty minutes.
C．Over an hour.
D．Forty-five minutes.

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Questions 14-17 are based on the following dialogue between classmates about their presentation. You now have 20 seconds to read Questions 14-17. How much time do the man and the woman have before they address the class 您的浏览器不支持 audio 元素。