单项选择题

Questions 14-16 are based on the following conversation about a walkathon.
Who is going to participate in the walkathon

A．Hospital employees only.
B．City Hall officials.
C．Engineering students only.
D．Packer Hall residents.

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单项选择题

单项选择题

Questions 14-16 are based on the following conversation about a walkathon. Who is going to participate in the walkathon 您的浏览器不支持 audio 元素。