HSRP active and standby routers send hello messages to which multicast address?

A.
IP address 224.0.0.18, IP protocol number 112

B.
IP address 224.0.0.2, UDP port number 2000

C.
IP address 224.0.0.2, UDP port number 1985

D.
IP address 224.0.0.102, UDP port number 3222