单项选择题

Questions 6 to 8 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question.
Now listen to the news. What percentage does Microsoft account for in the software for personal computers in the world

A．19%.
B．90%.
C．40%.
D．70%.

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单项选择题

单项选择题

Questions 6 to 8 are based on the following news. At the end of the news item, you will be given 10 seconds to answer each question. Now listen to the news. What percentage does Microsoft account for in the software for personal computers in the world 您的浏览器不支持 audio 元素。