You are a systems administrator who is attempting to troubleshoot a problem with accessing a Web site ona computer running Windows Server 2008. In the past， users have been able to access the Web site byusing http：//hr.contoso.com. However， when they attempt to access the site now， they receive the errormessage "Internet Explorer Cannot Display The Web page." Which of the following steps should you taketo resolve the error？（）

• A、Using Server Manager， add the HTTP Errors server role.
• B、Using Server Manager， verify that the World Wide Web Publishing Service has been started.
• C、Verify the configuration of the usersWeb browsers.
• D、Using Server Manager， add the HTTP Logging server role.