单项选择题
A./etc/xinetd.d/ B./etc/yum.repos.d/ C./etc/profile D./etc/init.d/
A.only_from=176.18.2.0/24 B.no_access=172.18.6.0/24 C.access_times=176.18.2.0/24 D.disable=172.18.6.0/24