单选题Which of the following is TRUE about error processing?（）A The error daemon runs in the foreground and reads the /etc/errpt file. B The error daemon is invoked by the user when required and it reads the /usr/lib/errpt. C The error daemon is invoked when

The error daemon runs in the foreground and reads the /etc/errpt file. 

The error daemon is invoked by the user when required and it reads the /usr/lib/errpt. 

The error daemon is invoked whenever the error occurs and it reads the /usr/lib/errpt. 

The error daemon /usr/lib/errdemon runs in the background on most machines and reads the /dev/error special file.