You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application contains a custom control that is used to display customer information. You discover that the custom control is not rendering correctly. You need to identify the WPF element that is causing the issue. You want to achieve this goal by using the minimum amount of administrative effort. What should you do?（）

• A、 Start the application in debug mode.Place a breakpoint at the main entry point of the application.Use the debugger to step through the application code.
• B、 Start the application in debug mode.Place a breakpoint at the main entry point of the application.Use the WPF Tree Visualizer tool.
• C、 Enable IntelliTrace and configure Visual Studio to generate a trace log.Start the application in debug mode.
• D、 "Enable IntelliTrace and configure Visual Studio to generate a trace log.Start the application by double-clicking the executable file (.exe).