What is the only permitted operation for processing multicast traffic on zone-based firewalls?

What is the only permitted operation for processing multicast traffic on zone-based firewalls?

A.
Only control plane policing can protect the control plane against multicast traffic.

B.
Stateful inspection of multicast traffic is supported only for the self-zone.

C.
Stateful inspection for multicast traffic is supported only between the self-zone and the internal zone.

D.
Stateful inspection of multicast traffic is supported only for the internal zone.