One of the tablespaces is readonly in your database. The loss of all control files forced you to recreate the control file. Which operation do you need to perform after recreating the control file and opening the database？（）
- Adrop and recreate the readonly tablespaces
- Brename the readonly data files to their correct file names
- Cchange the tablespace status from read/write to readonly
- Drecreate the readonly tablespace because it is automatically removed