successful communication between the sites?

A.
Zone each WAN-COM port to all WAN-COM ports in the other fabric.

B.
Zone all WAN-COM ports to each other in both SAN fabrics within a single zone.

C.
Zone each WAN-COM port to all WAN-COM ports in the other fabric.
Zone one Local-COM port to all WAN-COM ports in the other fabric for VPLEX Witness.

D.
Zone all WAN-COM ports to each other in both SAN fabrics within a single zone.
Zone one Local-COM port to all WAN-COM ports in the other fabric for VPLEX Witness.