Which of the following techniques is used to extract the /usr/tmp directory from a mksysb backup?（）

• A、Use the tar command on the fifth image.
• B、Use the restore command on the fourth image.
• C、Use tctl -f /dev/rmt0.1 fsf 3 followed by the tar command on the fourth image.
• D、Reboot using the mksysb tape and then use the dd command to extract the file.