A system administrator did not receive a response while attempting to ping loopback. Which of the following would most likely resolve this problem？（）

A.Label
B.Action
C.Command
D.RunLevel

A.Install the base AIX from 5.2 media and then install the mksysb overtop.
B.Mount the tape and use the tar command to install AIX and the rest of the contents of the rootvg.
C.Insert the mksysb tape and a 5.2 base media CD and then boot to maintenance mode and initiate the install.
D.Install AIX 5.2 from base media and then perform an update_all install from the mksysb tape of the original machine.