A user’s print jobs default to PRINTER_A.The user wants to change their default printer to PRINTER_B.How can the system administrator change the user’s default printer to PRINTER_B？（）

• A、Execute the command ’piobe -q PRINTER_B’
• B、Edit the user’s stanza in the /etc/qconfig file
• C、Execute the command ’chuser -a QUEUE=PRINTER_B user’
• D、Add the line ’export PRINTER=PRINTER_B’ to the user’s .profile