Which configuration enables the VRF that is labeled `Inet` on FastEthernet0/0?

Which configuration enables the VRF that is labeled `Inet` on FastEthernet0/0?

A. R1(config)# ip vrf Inet R1(config-vrf)#ip vrf FastEthernet0/0 B. R1(config)#ip vrf Inet FastEthernet0/0 C. R1(config)# ip vrf Inet R1(config-vrf)#interface FastEthernet0/0 R1(config-if)#ip vrf forwarding Inet D. R1(config)#router ospf 1 vrf Inet R1(config-router)#ip vrf forwarding FastEthernet0/0