Given the /etc/dumpdates file entry:
/dev/rdsk/c0t0d0s7 0 Mon Jan 10 23:59:59 2005
/dev/rdsk/c0t0d0s7 2 Mon Jan 17 23:59:59 2005
/dev/rdsk/c0t0d0s7 5 Mon Jan 24 23:59:59 2005
/dev/rdsk/c0t0d0s7 9 Mon Jan 31 23:59:59 2005
A backup of files that have been modified or created since January 18th is required.
Which level must you supply to the ufsdump command to achieve this?

A.
level 4

B.
level 6

C.
level 9

D.
level 2