Which commands are required to properly configure an OS10 switch to run OSPF on eth1/1/3 and to add network 144.254.1.0/30 to OSPF area 0?

Which commands are required to properly configure an OS10 switch to run OSPF on eth1/1/3 and to add network 144.254.1.0/30 to OSPF area 0?
A . OS10(config)# interface ethernet 1/1/3
OS10(conf-if-eth1/1/3)# no shutdown
OS10(conf-if-eth1/1/3)# no switchport
OS10(conf-if-eth1/1/3)# ip address 144.254.1.2/30
OS10(conf-if-eth1/1/3)# ip ospf 1 area 0.0.0.0
OS10(config)# router ospf1
B . OS10(config)# router ospf 1
OS10(config-router-ospf-1)# router-id 1.1.1.1
OS10(config)# interface ethernet 1/1/3
OS10(conf-if-eth1/1/3)# no shutdown
OS10(conf-if-eth1/1/3)# no switchport
OS10(conf-if-eth1/1/3)# ip ospf 1 area 0.0.0.0
C . OS10(config)# interface ethernet 1/1/3
OS10(conf-if-eth1/1/3)# no shutdown
OS10(conf-if-eth1/1/3)# ip address 144.254.1.2/30
OS10(conf-if-eth1/1/3)# no switchport
OS10(conf-if-eth1/1/3)# ip ospf 1 area 0.0.0.0
OS10(config)# router ospf 1
D . OS10(config)# interface ethernet 1/1/3
OS10(conf-if-eth1/1/3)# no shutdown
OS10(conf-if-eth1/1/3)# ip address 144.254.1.2/30
OS10(conf-if-eth1/1/3)# no switchport
OS10(conf-if-eth1/1/3)# ip ospf 1 area 0.0.0.0
OS10(conf-if-eth1/1/3)# router ospf 1

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Answer: C