单项选择题

Passage Three
Questions 32 to 35 are based on the passage you have just heard.

A．They were expensive.
B．No one believes them.
C．They were unsuccessful.
D．They were often deceptive.

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单项选择题

Passage Three Questions 32 to 35 are based on the passage you have just heard. 您的浏览器不支持 audio 元素。