In a Linux system, how do you stop the POP3, IMAPD, and FTP services？（)

A.By changing the permissions on the configuration file that controls the service (/sbin/inetd), then recompiling /etc/inetd.config

B.By commenting out the service using the # symbol in the text file /etc/inetd.conf, then restarting the inetd daemon

C.By recompiling the system kernel, making sure you have disabled that service

D.By commenting out the service using the $ symbol in the text file /etc/inetd.conf, then restarting the inetd daemon