Your database is in NOARCHIVELOG mode and a logswitch happens every 20 minutes. On Thursday morning， media failure resulted in corruption of a data file belonging to the TOOLS tablespace. Backups are taken on every Sunday. What would you do in this situation？（）

• A、recover using Oracle Flashback Database technology
• B、restore the data files from backup and perform a complete recovery
• C、restore only the corrupted data file and perform tablespace recovery
• D、restore the data files from backup and perform cancel-based recovery
• E、restore the entire database from the most recent backup and start the instance and open the database