Why are scientists surprised by the findings in their noise study? Which of the following is TRUE according to the passage?

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问题 Why are scientists surprised by the findings in their noise study?
Which of the following is TRUE according to the passage?

选项 A、Only recently did people realize the harmful effect of noise.
B、Noise pollution is the worst kind of pollution we suffer from.
C、People are now trying to find ways to make noise as low as possible.
D、The writer thinks that it is almost impossible for people to avoid noise.

答案C

解析 问题是:依据本文,下列哪一项是正确的?由第六段可知A选项错误,B选项文章中没有提到,由最后一段可知C选项正确,D选项错误。
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