What is the relationship between Disk Groups and Data Pools in a VMAX3 array?

A.
One-to-One; all data devices in a Disk Group are added to a Data Pool

B.
Many-to-One; data devices from multiple Disk Groups are added to one Data Pool

C.
One-to-Many; data devices from a Disk Group can be added to multiple Data Pools

D.
Many-to-Many; data devices from multiple Disk Groups can be in different Data Pools