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【单选题】

Humans should not develop their economy at the ______ of the ecological environment.
A．destruction

B．pollution
C．expense
D．mercy
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根据网考网移动考试中心的统计，该试题：

5%的考友选择了A选项

31%的考友选择了B选项

62%的考友选择了C选项

2%的考友选择了D选项

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