A Cisco IOS XR router must be configured with BFD for OSPF. Which configuration is correct?

A.	interface GigabitEthernet0/0/0/0 ip ospf bfd
B.	router ospf 1 area 0 interface GigabitEthernet0/0/0/0 bfd fast-detect
C.	router ospf 1 area 0 interface GigabitEthernet0/0/0/0 bfd fast-detect ipv4
D.	router ospf 1 bfd all-interfaces