Which statement is true regarding virtual private catalogs? （）
- AA virtual private catalog owner can create a local stored script, and have read/write access to a global stored script.
- BThe virtual private catalog owner cannot create and modify the stored scripts.
- CThe set of views and synonyms that make up the virtual private catalog is stored in the schema of the RMAN recovery catalog owner.
- DTo perform most of the RMAN operations, the virtual catalog owner must have the SYSDBA or SYSOPER privilege on the target database.&e