which configuration correctly completes the Cisco IOSXR route reflector configuration…?

Refer to the exhibit.

Given the partial BGP configuration, which configuration correctly completes the Cisco IOSXR route reflector configuration where both the 1.1.1.1 and 2.2.2.2 routers are the clients and
the 3.3.3.3 router is a non-client IBGP peer?

A.
neighbor 1.1.1.1
remote-as 65123
route-reflector-client
neighbor 2.2.2.2
remote-as 65123
route-reflector-client
neighbor 3.3.3.3
remote-as 65123

B.
neighbor 1.1.1.1
address-family ipv4 unicast
remote-as 65123
route-reflector-client
neighbor 2.2.2.2
address-family ipv4 unicast
remote-as 65123
route-reflector-client
neighbor 3.3.3.3
address-family ipv4 unicast
remote-as 65123

C.
neighbor 1.1.1.1
remote-as 65123
address-family ipv4 unicast
route-reflector-client
neighbor 2.2.2.2
remote-as 65123
address-family ipv4 unicast
route-reflector-client
neighbor 3.3.3.3

remote-as 65123

D.
neighbor 1.1.1.1 remote-as 65123
neighbor 1.1.1.1 route-reflector-client
neighbor 2.2.2.2 remote-as 65123
neighbor 2.2.2.2 route-reflector-client
neighbor 3.3.3.3 remote-as 65123