A customer is considering the purchase of an XIV system to leverage thin provisioning. They are concerned that their application will use all available space during formatting, which will remove any thin provisioning benefits. What should the storage specialist discuss with the customer?（）

• A、the possibility of changing the application so this no longer happens
• B、with the XIV system's SATA basedapproach, storage costs are so low that over-provisioning is not an issue
• C、the XIV system has immediate zero page reclamation features that will immediately return the volume to its original size
• D、the XIV system has a white space reclamation feature that will return the volume to its original thin provisioned size over time