When would PIM be most suitable as a good deployment option?

When would PIM be most suitable as a good deployment option?

A.
When the customer has multiple internet break-out points, and does not want Group level
granularity

B.
When the customer has MULTIPLE DOMAINS with a SINGLE internet break-out point,
and does not need Group level granularity

C.
When the customer has a SINGLE internet break-out point, and does not need Group
level granularity

D.
When the customer has multiple internet break-out points, and wants Group level
granularity