Archived redo logs can be copied to more than one destination by Oracle.（）

A. Backing up the control file to trace
B. Copying the existing control file of the database to the backup location during a hot backup 
C. Copying the existing control file of the database to the backup location during a cold backup
D. Creating a backup control file
E. Using the create controlfile command

A. Yes， if the database is in ARCHIVELOG mode
B. Yes， if the database is in NOARCHIVELOG mode
C. No， the backup is not usable in any way
D. Only if the ENABLE_ONLINE_BACKUP parameter is set to TRUE