You have a computer named Computer1 that runs Windows 7. You need to ensure that Computer1 canconnect to File Transfer Protocol (FTP) servers only while it is connected to a private network.  What should you do?（）

• A、From Windows Firewall with Advanced Security， create a new rule.
• B、From the local Group Policy， modify the application control policies.
• C、From Windows Firewall， modify the Allowed Programs and Features list.
• D、From Network and Sharing Center， modify the Advanced Sharing settings.