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

A. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 multicast neighbor 192.168.10.1 next-hop-self
B. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family vpnv4 multicast neighbor 192.168.10.1 activate
C. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 unicast neighbor 192.168.10.1 active
D. router bgp 100 neighbor 192.168.10.1 remote-as 200 address-family ipv4 multicast neighbor 192.168.10.1 activate