【单选题】
A router that performs Network Address Translation （NAT） is installed between your computer and the Internet. <br /> The router fails. You connect the computer directly to the Internet. <br /> You need to ensure that the computer is connected to the Internet in the most secure manner possible. <br /> What should you do？（）
A、Enable the Remote Desktop feature in the System Properties dialog box.
B、Configure the network category of your network connection to Public.
C、Configure the network category of your network connection to Private.
D、Enable the Windows Collaboration Computer Name Registration Service exception in Microsoft Windows Firewall.
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