You are the newly appointed system administrator at Certkiller.com. The previous administratorcreated a Microsoft ASP.NET application using Microsoft .NET Framework v3.5.  You need to capture the timing and performance information of the application. Managementwants you to make sure that data is only accessible when a client is logged onto the Web servernot the individual Web pages.  What should you do？（）

• A、You should consider adding <compilation debug="true" /> to the Web.config file.
• B、You should consider adding <compilation debug="false" urlLinePragmas="true" /> to theWeb.config file.
• C、You should consider adding <trace enabled="true" writeToDiagnosticsTrace="true"pageOutput="true" localOnly="true" /> to the Web.config file.
• D、You should consider adding <trace enabled="true" pageOutput="false" localOnly="true" /> tothe Web.config file.