Which set of configuration commands configures MBGP on the ERX Edge Router?

Which set of configuration commands configures MBGP on the ERX Edge Router?

A.
routerbgp 100
neighbor192.168.10.1 remote-as 200
address-familyipv4 multicast
neighbor192.168.10.1 next-hop-self

B.
routerbgp 100
neighbor192.168.10.1 remote-as 200
address-familyvpnv4 multicast
neighbor192.168.10.1 activate

C.
routerbgp 100
neighbor192.168.10.1 remote-as 200
address-familyipv4 unicast
neighbor192.168.10.1 active

D.
routerbgp 100
neighbor192.168.10.1 remote-as 200
address-familyipv4 multicast
neighbor192.168.10.1 activate