Your computer is part of a workgroup. You share files with other users on the network. You configure exceptions in Microsoft Windows Firewall to allow file sharing. Users report that they are unable to connect to your computer.  You need to ensure that other users are able to access only the shared files.  What should you do？ （）

• A、Restart the Workstation service on your computer.
• B、Change all of your TCP port exceptions to UDP port exceptions.
• C、Ensure parental controls are not configured to block file sharing.
• D、Clear the Block all incoming connections check box in Windows Firewall.