You are designing a Windows Azure application.   The application will store data in Windows Azure Blob storage.  Many of the application services will be interdependent.   You need to recommend an approach for optimizing the performance of the application.  What should you recommend？ （）

• A、 Create one affinity group.  Associate only the storage services with the affinity group.
• B、 Create one affinity group.  Associate only the compute services with the affinity group.
• C、 Create one affinity group.  Associate the compute services and storage services with the affinity group.
• D、 Create two affinity groups.  Associate the compute services with one group and the storage services with the other group.