Which configuration must be added on the remote OTV AEDs site?

Refer to the exhibit.

A network engineer is setting up a multihomed OTV network. The first site has been set up with a primary and secondary adjacency server .

Which configuration must be added on the remote OTV AEDs site?
A . interface Overlay200
otv join-interface Ethernet1/2
otv extend-vlan 178, 2500-2563
otv use-adjacency-server 20.1.1.1 unicast-only
B . interface Overlay200
otv join-interface Ethernet1/2
otv extand-vlan 178, 2500-2563
otv adjacency-server unicast-only
C . interface Overlay200
otv join-interface Ethernet1/2
otv extend-vlan 178, 2500-2563
D . interface Overlay200
otv join-interface Ethernet1/2
otv extend-vlan 178, 2500-2563
otv use-adjacency-server 20.1.1.1 20.2.1.1 unicast-only