Refer to the exhibit. When running OS

Refer to the exhibit. When running OSPF, What would cause router A not to form an adjacency with router B?（）

• AThe loopback addresses are on different subnets
• BThe value of the dead timers on the router are different
• CRoute summarization is enabled on both routers
• DThe process indentifier on router A is different than the process identifier on router B