A redaction policy was added to the SAL column of the SCOTT.EMP table: All users have their default set of system privileges. For which three situations will data not be redacted?（）

• A、SYS sessions, regardless of the roles that are set in the session
• B、SYSTEM sessions, regardless of the roles that are set in the session
• C、SCOTT sessions, only if the MGR role is set in the session
• D、SCOTT sessions, only if the MGR role is granted to SCOTT
• E、SCOTT sessions, because he is the owner of the table
• F、SYSTEM session, only if the MGR role is set in the session