Routers R1 and R2 Are Configured for BGP

Multiple Choice

Routers R1 and R2 are configured for BGP. Both routers are in AS 65234. Routes from Router R2 are in the BGP table on Router R1, but not in the IP routing table. What could be the cause of this problem?

A) Synchronization is off
B) BGP multi-hop is disabled on Router R1
C) The next-hop of these routes can not reach by router R1
D) The BGP peers are down