Which configuration will enable OSPF for IPv6 on FastEthernet 0/0/0?

Which configuration will enable OSPF for IPv6 on FastEthernet 0/0/0?

A.
interface FastEthernet0/0/0ipv6 address 2001:0db8:0:0:1::/64 eui-64ipv6 enablerouter ospf 1router-id 10.11.11.1network 2001:0db8:0:0:1::/64 area 1

B.
interface FastEthernet0/0/0ipv6 address 2001:0db8:0:0:1::/64 eui-64ipv6 enableipv6 ospf 1 area 1router ospf 1router-id 10.11.11.1

C.
interface FastEthernet0/0/0ipv6 address 2001:0db8:0:0:1::/64 eui-64ipv6 enableipv6 ospf 1 area 1ipv6 router ospf 1router-id 10.11.11.1

D.
interface FastEthernet0/0/0ipv6 address 2001:0db8:0:0:1::/64 eui-64ipv6 enableipv6 router ospf 1router-id 10.11.11.1network 2001:0db8:0:0:1::/64