You have a server that runs Windows Server 2003 Service Pack 2 (SP2). Routing and Remote Access is enabled and the server is configured as a remote access server. You need to configure the server to support only the MS-CHAP v2 authentication protocol for remote access authentication. What should you do from the Routing and Remote Access snap-in? （） 

• A、Configure the port properties.  
• B、Create and configure a new demand-dial interface.  
• C、From the servers properties, modify the security options.  
• D、From the Connections to Microsoft Routing and Remote Access Server policy, add a new condition.