You want to migrate your existing non-ASM files to ASM files for the database PROD. Which method  or command would you use to accomplish this task？（）

• A、the CONVERT command of RMAN
• B、Data Pump Export and Import into the same database
• C、conventional export and import into the same database
• D、the BACKUP DATABASE and RESTORE DATABASE commands of RMAN
• E、the BACKUP AS COPY DATABASE and SWITCH DATABASE TO COPY command of RMAN