You share a folder named Folder1 on a computer that runs Windows XP Professional. Users report that they cannot access the folder from other computers on the network. You verify that all users can access Folder1 when logged on to the computer. You need to ensure that all users can access Folder1 from the network. What should you do?（）
- AOn Folder1, modify the share permissions.
- BOn Folder1, modify the NTFS permissions.
- CAdd all local user accounts to the Guests group.
- DAdd all local user accounts to the Network Configuration Operators group.