Which two attributes in BGP are used to help with implementation of the OSPF super-backbone?

Which two attributes in BGP are used to help with implementation of the OSPF super-backbone?
(Choose two)

A.
MED

B.
weight

C.
AS path

D.
site of origin

E.
extended community

Explanation:
A: According to the MPLS Student guide Version 2.1 Page 5-94, the OSPF cost is carried in the
MED attribute. Not D: Although Site of Origin is used to prevent loop in BGP, in this QUESTION

NO: , it is asked which two BGP attributes help the OSPF Super Backbone implementation.