When issuing the duplicate database command， you use the parameter DB_FILE_NAME_CONVERT. For what purpose do you use this parameter？（）  

• A、 To indicate the location of the auxiliary-instance online redo logs.
• B、 To indicate the location of the target database datafiles.
• C、 To indicate the location of the auxiliary-instance control file and online redo logs.
• D、 To indicate the location of the auxiliary-instance database datafiles.
• E、 This is not a valid parameter when duplicating a database.