单项选择题

Questions 22 to 25 are based on the conversation you have just heard.

A．$450.
B．$500.
C．$950.
D．$1,000.
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单项选择题
A．College students, business travelers and professors.B．College students, video-gamers and office workers.C．Business travelers, telecommuters and professors.D．Telecommuters, video-gamers and office workers.
A．College students, business travelers and professors.
B．College students, video-gamers and office workers.
C．Business travelers, telecommuters and professors.
D．Telecommuters, video-gamers and office workers.
单项选择题
A．Three packages.B．Five packages.C．Seven packages.D．Nine packages.
A．Three packages.
B．Five packages.
C．Seven packages.
D．Nine packages.
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