You need to share a financial spreadsheet with other employees of your company. The material is of a sensitive nature and you want to prevent the ability of users to use offline caching. How do you do this？（）

• A、Assign Special Permissions.
• B、Select Shared folder properties， caching， deselect “Allow Caching”.
• C、Select Manual Caching for Documents.
• D、Select Manual Caching for Programs.