All servers in your environment run Windows Server 2008 R2. All client computers ru n Windows 7. Each client computer has at least 2 5 GB free disk space. You virtualize applications by using Microsoft Application Virtualization (App - V). The App - V client cache is set to 4096 MB. User profiles are virtualized and stored on a server. You ne ed to increase the size of the file system cache on a client computer to at least 10 GB. What should you do?（）

• A、Use the AppVCacheSize tool to set the maximum cache size to 10240.
• B、Use the AppVCacheSize tool to set the minimum free disk space threshold to 1 0240.
• C、Set the HKLM / SOFTWARE / Microsoft / SoftGrid / 4.5 / Client /AppFS/ State registry key to 10240.
• D、Set the HKLM / SOFTWARE / Microsoft / SoftGrid / 4.5 / Client /AppFS/ FileSize registry key to 10240.