A.overuse face masks B.deal with the mask problem seriously C.rub their faces and noses in the subway D.protest against the mask

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问题 A.overuse face masks
B.deal with the mask problem seriously
C.rub their faces and noses in the subway
D.protest against the mask guidelines
E. help protect people from being attacked by a flu
F. announce the results of their mask research
The CDC is afraid that the public may ______.

选项

答案A

解析 利用问题句中出现的特征词CDC作为答案线索,在文章第二段中查找答案相关句,CDC说到“we don’t want people wearing them everywhere”,很显然他们担心人们过度使用口罩,所以可以推断A是答案。
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