Refer to the exhibit. What statement is true base d upon the configuration in the exhibit? （）

• A、CGMP version 2 is being used.
• B、The switch will use sparse mode first, dense mode second.
• C、A rendezvous point must be configured in order for the interface to operate in sparse mode.
• D、IGMP version 2 is being used.
• E、The rendezvous point is IP address 172.16.4.16.
• F、If a rendezvous point is configured, the interface cannot operate in dense mode.