单选题Which of the following percentages is required for Disk Defragmenter to fully defragment thevolume?（）A5%B15%C25%D50%
单选题
Which of the following percentages is required for Disk Defragmenter to fully defragment thevolume?（）
A
5%
B
15%
C
25%
D
50%
参考解析
解析：
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