Which statement correctly describes the change tracking writer （CTWR） background process？（）

• A、 It keeps track of changes in the background processes.
• B、 It records the system change number （SCN） in the control file.
• C、 It writes audit records for user changes to the change tracking file.
• D、 It records any changes to the listened configuration in the listener.ora file.
• E、 It records any changes to the database parameters in the change tracking file.
• F、 It records the physical location of all the changes that are made to the database in the change tracking file.