Which statement is true about the use of EBGP as the CE-PE routing protocol in MPLS VPN implementations?

Which statement is true about the use of EBGP as the CE-PE routing protocol in MPLS VPN implementations?

A.
The CE router must be the BGP next hop.

B.
The egress P router must be the BGP next hop.

C.
ebgp-multihop must be configured on the MP-BGP sessions between the PE routers.

D.
next-hop-self must be configured on the MP-IGBP sessions between the PE routers.

E.
The BGP next hops announced using the core IGP can be summarized to reduce the size of the core routing table.