When Load Sharing Multicast mode is defined in a Cluster XL cluster object, how are packets being handled by cluster members?

When Load Sharing Multicast mode is defined in a Cluster XL cluster object, how are packets being handled by cluster members?
A . All members receive all packets. The Security Management Server decides which member will process the packets. Other members delete the packets from memory.
B . All cluster members process all packets and members synchronize with each other.
C . All members receive all packets. All members run an algorithm which determines which member processes packets further and which members delete the packet from memory.
D . Only one member at a time is active. The active cluster member processes all packets.

Answer: C