Which option is a best practice that should be followed when replacing a Cisco Nexus 5000 Series switch in a vPC topology?

Which option is a best practice that should be followed when replacing a Cisco Nexus 5000 Series switch in a vPC topology?
A. Connect a dual-homed Fabric Extender topology fabric port to the replacement switch.
B. Ensure that the VPC role priority of the replacement switch is better than the existing switch.
C. Ensure that the VPC role priority of the replacement switch is equal to the existing switch.
D. Obtain the configuration from the peer switch if the configuration synchronization feature was enabled.