A system administrator has created tty2 on a serial port connection to a system.  When attempting to verify the connection the following error is observed：   # cu -ml tty2   cu： 0835-028 The connection failed. NO DEVICES AVAILABLE. Which of the following should be performed to correct this error？（）

• A、Create an entry for tty2 in the /etc/uucp/Devices file
• B、Re-enter the command as "cu -dml tty2"
• C、Create an entry for tty2 in the /etc/uucp/Systems file
• D、Re-enter the command as "cu -s 9600 -dh -t -l tty2"