After a power outage, a user’s workstation in your department will no longer mount the user’s home directory. You believe that the superblock in the /dev/dsk/c0t0d0s7 file system has become corrupt.
Which command displays the alternative backup superblocks?

A.
fsck -sb /dev/dsk/c0t0d0s7

B.
fsck -N /dev/rdsk/c0t0d0s7

C.
newfs -N /dev/rdsk/c0t0d0s7

D.
newfs -sb /dev/dsk/c0t0d0s7