What configuration statement will allow this interface to participate in OSPF Area 0?

A router interface address is 180.60.45.96 with a mask of 255.255.255.224. What configuration statement will allow this interface to participate in OSPF Area 0?

A.
router ospf 1network 180.60.45.96 255.255.255.32 area 0

B.
router ospf 1network 180.60.45.96 0.255.255.224 area 0

C.
router ospf 1network 180.60.45.96 0.0.0.31 area 0

D.
router ospf 1network 180.60.45.96 0.0.0.224 area 0