Which is true about revoking roles?
A. Only users who are granted the DBA role can revoke a role.
B. Only users who are granted SYSDBA can revoke a role.
C. Users who have the GRANT ANY ROLE privilege can revoke any role.
D. Users who are granted a role with ADMIN OPTION can revoke that role only from users to whom they have granted the role.
E. Users can revoke a role that is granted to them through other roles.