（单选题）
The loss of the control file forced you to re/x7fcreate the control file. After re/x7fcreating it and opening the database， you find that some of the data files are named as MISSINGnnnnn， where nnnnn is a five/x7fdigit number starting with 0. What could be the possible reason？（）
AThese are the data files that are corrupted.
BThere is no SYSAUX tablespace in your database
CThere is a readonly tablespace in your database.
DThese are the data files that cannot be recovered.
正确答案
答案解析
略
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