How are IP multicast IGMP entries synchronized between vPC peers?

How are IP multicast IGMP entries synchronized between vPC peers?

A.
IGMP is not synchronized between vPC peers

B.
Cisco Fabric Service carries IGMP entries across the vPC peer link

C.
IP ARP synchronization under the vPC domain configuration also synchronizes IGMP

D.
IGMP is flooded to the L2 domain, and there is no need to synchronize it between vPC peers