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 effects of noise.
B、Noise pollution is the worst kind of pollution we suffer from.
C、People are now trying to find ways to reduce noise as much as possible.
D、The writer thinks that it is almost impossible for people to avoid noise.

答案C

解析
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