You are maintaining your database in Oracle10g. You want to store the information about the backup of the database in the control file. You issue the following statement：    SQL>ALTER SYSTEM SET CONTROL_FILE_RECORD_KEEP_TIME=400；    What is the outcome of this statement？ （）

• A、 The statement will not execute successfully.
• B、 The statement will execute successfully， and the backups metadata will be maintained in the control file for 400 days
• C、 The statement will execute successfully， and the backups metadata will be maintained in the recovery catalog for 400 days.
• D、 Backups will be deleted from the media after 400 days.