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单选题
A user suspects that a recently installed program overwrote a Windows system file on the computer. Which of the following commands could be run to check and verify the system files？（）
A
system /v
B
winnt /s
C
sfc /scannow
D
chkdsk /f
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单选题A user suspects that a recently installed program overwrote a Windows system file on the computer. Which of the following commands could be run to check and verify the system files？（）A
system /vB
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21B
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80D
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Resource consumptionC
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