A、The action parameter of rcnfs in /etc/inittab is 'off' and the script called is not exiting. B、The action parameter of rcnfs in /etc/inittab is 'wait' and the script called is not exiting. C、The action parameter of rcnfs in /etc/inittab is 'once' and the script called is not exiting. D、The action parameter of rcnfs in /etc/inittab is 'respawn' and the script called is not exiting.