Two Routers Have Established a Point-To-Point Network Using PPP

Two routers have established a point-to-point network using PPP. The administrator has configured the routers to run OSPF in the same area with the same router ID, what will behavior will occur as a result of the configuration?

A) The routers will build a neighbor relationship even though both routers are using the same router ID.
B) VRP will notify of a router ID conflict between the two routers.
C) The routers will build an adjacency even though both routers are using the same router ID.
D) The routers will not send hello packets to each other because they are using the same router ID.