Refer to the exhibit. All routers in the network are configured. R2 must be the DR. After the engineer connected the devices, R1 was elected as the DR. Which command sequence must be configured on R2 to be elected as the DR in the network?

A. R2(config)#intergface gi0/0
R2(config-if)#ip ospf priority 100
B. R2(config)#router ospf 1
R2(config-router)#router-id 192.168.2.7
C. R2(config)#router ospf 1
R2(config-router)#router-id 10.100.100.100
D. R2(config)#intergface gi0/0
R2(config-if)#ip ospf priority 1