You have a file server named Server1 that runs Windows Server 2003 Service Pack 2 (SP2). Shadow Copies is enabled for all volumes by using the default settings. Server1 is configured as shown in the following table. You need to provide at least 10 GB of free space on volume D. You must achieve this goal without moving the contents of the shared folders. What should you do?（）
- A Modify the Disk Quota settings.
- B Modify the virtual memory setting.
- C Modify the Shadow Copies settings.
- D Modify the Caching settings for all shared folders.