You want to perform the database backup when user activity on your system is low, such as between 12:00 a.m. and 2:00 am. Which command terminates with an error if the backup is not complete at the end of the specified duration?（）

• A、RMAN> BACKUP DURATION 2:00 MINIMIZE LOAD DATABASE
• B、RMAN> BACKUP DURATION 2:00 PARTIAL FILESPERSET 1 DATABASE
• C、RMAN> BACKUP DURATION 2:00 PARTIAL MINIMIZE TIME DATABASE 
• D、RMAN> BACKUP AS COPY DURATION 2:00 PARTIAL MINIMIZE LOAD DATABASE