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【单选题】

If the radius of a circular region were decreased by 20 percent, the area of the circular region would decrease by what percent

A、16%
B、20%
C、 36%
D、40%
E、44%
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根据网考网移动考试中心的统计，该试题：

2%的考友选择了A选项

7%的考友选择了B选项

64%的考友选择了C选项

27%的考友选择了D选项

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