R3 is not able to install the R1 loopback address into its BGP routing table. What should be
configured to install that route?

A.
Configure R2 as a route reflector.
B.
Enable EBGP multihop on R2.
C.
Change the origin attribute to IGP on R3.
D.
Configure the next-hop-self command on R2.
E.
Configure the next-hop-unchanged command on R2.
F.
Add a static route to reach 10.10.23.2 on R3.