Which method would accomplish the task quickly and efficiently?

You are managing an Oracle Database 11g database. You want to take the backup of
MULT_DATA, a big file tablespace of size 100 TB on tape drive, but you have tapedrives of only
10 GB each. Which method would accomplish the task quickly and efficiently?

A.
parallel image copy backup

B.
backup with MAXPIECESIZE configured for the channel

C.
parallel backup with MAXPIECESIZE configured for the channe

D.
intrafile parallel backup