which statement is true for installing the licenses on the cluster members?

When using UTM features in an HA cluster, which statement is true for installing the licenses on the cluster members?

A.
One UTM cluster license will activate UTM features on both members.

B.
Each device will need a UTM license generated for its serial number.

C.
Each device will need a UTM license generated for the cluster, but licenses can be applied to either member.

D.
HA clustering automatically comes with UTM licensing, no additional actions are needed.