An Administrator Notices Rapidly Decreasing Capacity Storage Utilization on a Dell

An administrator notices rapidly decreasing capacity storage utilization on a Dell EMC Avamar M1200 multi-node server. Recently, two nodes were added making a total of eight storage nodes. What is a cause for this decreased capacity storage utilization?

A) Amount and capacities of each hard drive in use per node is low
B) Avamar server is managing too many nodes at once
C) Amount of clients created and notes managed is high
D) Amount of primary data being packed up and backup retention