A.The next-hop 172.30.25.1 is selected because the address has the lowest value.
B.The next-hop 172.30.25.1 is selected because it is listed first.
C.The next-hop 172.30.25.1 is selected because it is the lowest protocol preference.
D.The next-hop 172.30.25.5 is selected because it is the lowest protocol preference.
参考答案：D
