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.