Refer to the exhibit. An engineer is asked to configure router R1 so that it forms an OSPF single-area neighbor relationship with R2. Which command sequence must be implemented to configure the router?

A. router ospf 100
network 10.0.0.0 0.0.0.252 area0
network 10.0.1.0 0.0.0.255 area0
B. router ospf 100
network 10.0.0.0 0.0.0.3 area0
network 10.0.2.0 255.255.255.0 area0
C. router ospf 10
network 10.0.0.0 0.0.0.3 area0
network 10.0.1.0 0.0.0.255 area0
D. router ospf 10
network 10.0.0.0 0.0.0.3 area0
network 10.0.2.0 0.0.0.255 area0