It is a holiday and no transactions are being performed on the database. You took a consistent backup of your database without using Recovery Manager （RMAN）. How would you make use of this consistent backup in RMAN？（）
A、cannot be used in RMAN
B、by starting up the database again
C、by using the CATALOG command of RMAN
D、by using the RECOVER CATALOG command in RMAN
E、by re-creating the target control file to rebuild the RMAN repository
