Which mode is used for Shutting down a Database using these following situations?1) To initiate an automated and unattended backup.2) When a power shutdown is going to occur soon.3) When the database or one of its applications is functioning irregularly and you cannot contact users to ask them to log off or they are unable to log off.

• A. Shutting Down with the NORMAL Clause
• B. Shutting Down with the IMMEDIATE Clause
• C. Shutting Down with the TRANSACTIONAL Clause
• D. Shutting Down with the ABORT Clause