View the Exhibit to observe the roles assigned to the SL_REP user. Which statement is true about theassignment of the SELECT_CATALOG_ROLE role to the SL_REP user（）
- AThe user must enable the role explicitly.
- BThe user can grant the role to other users.
- CThe user cannot use the role until the DBA enables it explicitly.
- DThe user can start using the role immediately without any change