What is a cause for this issue?

A RecoverPoint administrator needs to add a local copy to three existing Consistency Groups. The RecoverPoint system currently contains 100 Consistency Groups. Each group has one remote copy with 80 replication sets. Each cluster contains eight physical RPAs.

However, the administrator is unable to add all the local copies.

What is a cause for this issue?
A . Consistency Group copy cannot have 1024 volumes within the copy
B . Cluster has the maximum number of RPAs and cannot be expanded
C . Addition of the local volumes will exceed the 16K volume limit per cluster
D . RecoverPoint system needs to be converted to a RP/EX system to support the extra volumes

Answer: A