YouperformacleaninstallationofWindows7onacomputer.YouneedtoensurethatyoucanrunWindowsXPModeinWindows7.Whatshouldyoudo?()

A.Enablehardware-assistedvirtualization.

B.CreateaDataExecutionPrevention(DEP)exception.

C.InstallWindowsXPinthesamepartitionasWindows7.

D.InstallWindowsXPinadifferentpartitionthanWindows7.