Router D is advertising a path for the 10.0.0.0/8 network through BGP and AS 2 is advertising this
path to AS 1. By default, what is the next hop for this path from router A’s perspective?

A.
router D’s loopback address

B.
router B’s loopback address

C.
router B’s interface address for the external BGP session from router B to router C

D.
router C’s interface address for the external BGP session from router B to router C