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【单选题】

It is important that she _____ a record of everything she does in the experiment.
A．keep

B．must keep
C．keeps
D．will keep
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根据网考网移动考试中心的统计，该试题：

58%的考友选择了A选项

33%的考友选择了B选项

2%的考友选择了C选项

7%的考友选择了D选项

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