问一个ccnp题库里的题 球解释

选几？
) l& T, \8 Z1 c; p+ m" ?6 ACertkiller uses BGP to advertise their IP blocks to the Internet. Which statement is true about EBGP?  
A. EBGP requires a full mesh.
: k& V# y( a4 D+ P4 E& tB. An internal routing protocol can be used to reach an EBGP neighbor.
C. A static route can be used to form an adjacency between neighbors.
D. The next hop does not change when BGP updates are exchanged between EBGP neighbors.
' L2 O  e* y+ w$ RE. None of the above.