单项选择题

A.No dynamic interior routing protocol can summarize as shown
B.Unless configured otherwise, EIGRP would automatically summa rize the prefixes as shown in the exhibit
C.With this IP addressing scheme, EIGRP can be manually configured to summarize prefixes at the specified summarization points
D.The IP address design lends itself to OSPF Each summarizing router would be  an ABR, summarizing to the next area in the address hierarchy