You are a desktop support technician for your company. You deploy Windows Vista on all the computers on the corporate network. You discover that kernel32.dll is corrupt. You need to repair kernel32.dll without checking any other system file. Which command should you run?

A.
sfc / scannow

B.
sfc / verifyonly

C.
sfc / scanfile = c:\windows\system32\kernel32.dll

D.
sfc / verifyfile = c:\windows\system32\kernel32.dll