单项选择题SeveralpeopleinanInformationTechnology(IT)departmentareaskingforfilesetupdatesthatthesystemadministratorreceivedearlierthatdayonCD-ROM.Thesystemadministratorcreatedaninstalldirectoryontheirmachineandmadeitavailabletoeveryone.WhichofthefollowingcommandswillallowthesystemadministratortocopytheimagesfromtheCD-ROMtotheinstalldirectory?()
A.smit bffcreate from the target directory
B.tar -xvf /dev/cd0 from the target directory
C.restore -xvqf /dev/cd0 from the target directory
D.mount the cdrom on /cdrom and cp /cdrom/* . from the target directory