Refer to the exhibit. AS 65500 is not advertising the prefix 192.168.12.0/22 to its provider. AS 65500 is running OSPF as its IGP. Whi ch of the following additions to the configuration is most likely to solve the problem?（）

• A、RouterA(config)#ip cef
• B、RouterA(config)#ip route 192.168.12.0 255.255.255.252 null 0
• C、RouterA(config - router)#ebgp multihop 1
• D、RouterA(config - router)#re distribute ospf 1
• E、RouterA(config - router)#neighbor 192.168.14.253 next - hop - self
• F、RouterA(config - router)#neighbor 192.168.14.253 local - as 65500