You need to ensure that the new sales manager is able to view clients within only the North and South regions. What should you do?（） A: Add a Denied member set for the West clients to NorthRole. B: Add an Allowed member set for the South clients to NorthRole. C: Create a new role for the sales manager and add a Denied member set for the South clients. D: Create a new role for the sales manager and add an Allowed member set for the South clients. Remove the sales manager from SouthAndWestRole.