单项选择题
A.named-checkconf /var/named.rfc1912.zonesB.named-checkconf /etc/named.rfc1912.zonesC.named.checkzone /etc/named.rfc1912.zonesD.named-checkzone /etc/named.rfc1912.zones
A.naned.checkconf /var/named.confB.named-checkconf /etc/named.confC.named.checkzone /etc/named.confD.named-checkzone /etc/named.conf
A.0.0.0.0B.255.255.255.255C.anyD.any;