You are the administrator of your company’s network. Ten Windows 2000 Professional computers are located in the Research department. The computers contain highly confidential information. You want the 10 computers to be able to communicate with other Windows 2000 Professional computers on the network. However, you do not want them to communicate with computers that are not running Windows 2000, including those that are running Windows 95, Windows 98 and Windows NT. You want to configure a security policy on each computer to ensure that the confidential information is secure. What should you do?（）

A. Use Security Configuration and Analysis to import the Hisecws.inf security template file to modify the default security settings.
B. Use security templates to create a security template file and import the security settings to modify the default security settings.
C. Use the local computer policy to disable the access to this computer from the network option.
D. Use Secedit.exe to reconfigure the computers’ default security settings to not allow anonymous access to the computers.