You are designing a Windows Azure application.   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 storageservices with the other group.