What are two functions of an OSPF BDR?

What are two functions of an OSPF BDR? (Choose two.)

A.
The BDR advertises link-state information with all other OSPF routers on the segment.

B.
The BDR forms an adjacency with all other OSPF routers on the segment.

C.
The BDR is ready to assume the role of the DR device if it fails.

D.
The BDR functions can be distributed to the DR device on the segment.

Explanation: