单项选择题

Passage One Questions 26 to 28 are bused on the passage you have just heard.

A．By the government only.
B．Through the market only.
C．By the government and through the market.
D．By government officials and economists.

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单项选择题

Passage One Questions 26 to 28 are bused on the passage you have just heard. 您的浏览器不支持 audio 元素。