What is the image removal behavior for relocated images from a basic disc staging storage unit when the high water mark is reached during a backup?

A.
NetBackup removes the oldest images until the low water mark is reached.

B.
NetBackup removes images alphabetically until the low water mark is reached.

C.
NetBackup removes images with lowest backup priority until the low water mark is reached.

D.
NetBackup removes images with the lowest rank data classification until the low water mark is reached.

Explanation:
https://www.veritas.com/support/en_US/article.TECH66149