You are evaluating a Windows Azure application.  The application includes the following elements：   - A web role that provides the ASP.NET user interface and business logic   - A single SQL Azure database that contains all application data    Each page must receive data from the business logic layer before returning results to the client.  Traffic has increased significantly.   The business logic is causing high CPU usage.   You need to recommend an approach for scaling the application.  What should you recommend？（）

• A、 Move business logic to a worker role.
• B、 Vertically partition the SQL Azure database.
• C、 Store business logic results in Windows Azure local storage.
• D、 Store business logic resultsin Windows Azure Table storage