Several people in an Information Technology （IT） department are asking for fileset updates that the system administrator received earlier that day on CD-ROM. The system administrator created an install directory on their machine and made it available to everyone. Which of the following commands will allow the system administrator to copy the images from the CD-ROM to the install directory？（）

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