Multiple users are trying to telnet to the AIX server. They are able to ping the server successfully， but are getting the following error message：  telnet： connect： A remote host refused an attempted connect operation   Which of the following could be the cause of this problem？（）

• A、The routing table on the AIX server is incorrect.
• B、The IP address on the network adapter is incorrect.
• C、The portmap daemon is not running on the AIX server.
• D、The inetd daemon is not running on the AIX server.