单选题

You executed the STARTUP MOUNT command to start your database. For which database operation do you need to start the database in the MOUNT state？（）

Arenaming the control files

Bdropping a user in your database

Cenabling or disabling redo log archiving

Ddropping a tablespace in your database

Ere-creating the control files， after you lost all the control files in your database

略

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