单项选择题

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
From the conversation, we learn that the cost of the new wing

A．is more than 90 million.
B．is less than 90 million.
C．is unusually high.
D．is 90 million in total.

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单项选择题

单项选择题

Questions 7 to 10 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions. From the conversation, we learn that the cost of the new wing 您的浏览器不支持 audio 元素。