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【单选题】

New figures published by the World Health Organization show ______. of all donated blood isn’t testeD、

A、15%
B.20%
C.25%
D.30%
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根据网考网移动考试中心的统计,该试题:

10%的考友选择了A选项

87%的考友选择了B选项

1%的考友选择了C选项

2%的考友选择了D选项

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