单项选择题
A.cat /keepalived/keepalived.confB.cat /mjxt/keepalived/keepalived.confC.cat /keepalived.confD.cat keepalived
A.cat /keepalived.confB.cat /keepalived/keepalived.confC.cat /etc_data/keepalived/keepalived.confD.cat keepalived
A.cat /DNSB.cat /etc/DNSC.cat /etcD.cat /etc/resolv.conf