Looking at the traceoptions output in the exhibit, why are the OSPF routers stuck in Init state?

Refer to the Exhibit.

Looking at the traceoptions output in the exhibit, why are the OSPF routers stuck in Init state?

A.
There is an MTU mismatch.

B.
There are duplicate router IDs.

C.
The routers are in different areas.

D.
No BDR has been elected.