题目内容

Atechniciannoticesamachine’sperformancehasdegraded.Themachinehasconstanterrorswhentryingtoreaddatafromthedrive.Whichofthefollowingshouldbeusedtorepairthediskerrors?（）

A. DEFRAG
B. MSCONFIG
C. EDIT
D. CHKDSK

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