What is required to support a 31 fan-in for Remote Copy?

A customer needs to replicate multiple HPE 3PAR source arrays to a single HPE 3PAR target array at a Disaster Recovery sue.

What is required to support a 31 fan-in for Remote Copy?
A . HPE 3PAR 2OO00
B . a 4-node HPE 3PAR array
C . HPE SN4000B SAN Extension Switches
D . 4-poit 16 Go Fibre Channel Adapters

Answer: A