The loss of the control file forced you to re-create the control file. After re-creating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five-digit number starting with 0. What could be the possible reason？（）

• A、 These are the data files that are corrupted.
• B、 There is no SYSAUX tablespace in your database
• C、 There is a read-only tablespace in your database.
• D、 These are the data files that cannot be recovered.