Which two statements about multi section backup are true?

Which two statements about multi section backup are true?

A.
It is available only for full backups.

B.
It supports incremental backups and image copies.

C.
Backup for each data file is divided into sections and is backed up in parallel. However, for image copies,
sections are backed up sequentially.

D.
For image copies, sections are backed up in parallel and recomposed at the end.

Explanation:
https://docs.oracle.com/database/121/BRADV/rcmbckba.htm#BRADV380