Last night， a media failure caused the loss of a temporary file that belongs to your database. Which two things may happen this morning when you try to open your database？ （）

• A、The database opens normally.
• B、The database prompts for a database recovery.
• C、The database writer writes to a trace file， indicating that the temporary file is not found.
• D、The database gets mounted and throws an error indicating that the temporary file requires recovery.