You want to perform in incomplete recovery of your database. You plan to use these commands to recover your database： SET UNTIL TIME = ’2000-12-09：11：44：00’； RESTORE DATABASE； RECOVER DATABASE； How should the commands be executed？ （）
- AOnly the SET command must be within a RUN block.
- BAll commands should be executed at the RMAN prompt.
- CAll three commands must be within a single RUN block.
- DOnly the RESTORE and RECOVER commands must be within a single RUN block.