BGP is used for PE-CE routing protocol and all CEs in the same VPN use the same AS number. Which command can be applied on PE router that eliminates the need to configure the AS override feature for the service provider in order to provide full connectivity amongst all CEs in the same VPN? 

Answer options:

A. neighbor allowas-in
B. neighbor SoO
C. maximum-paths ibgp maximum-number
D. neighbor internal-vpn-client

A