2. 外语
  3. A third example would be the following situation ______ various quantities are sold at various prices.

A third example would be the following situation ______ various quantities are sold at various prices.

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问题 A third example would be the following situation ______ various quantities are sold at various prices.
选项 A、where
B、which
C、while
D、why
答案A
解析
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专业英语四级

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