单项选择题
TheASBR-summaryLSAis:().
A.GeneratedbytheASBRanddescribesreachabilitytoitself
B.GeneratedbytheASBRanddescribesreachabiltytotheABR
C.GeneratedbytheABRanddescribesreachabiltytotheASBRforroutersinadifferentareafromthe
D.GeneratedbytheABRanddescribesreachabiltytotheASBRforroutersinthesameareawiththe