You use Microsoft Visual Studio 2010 and Microsoft .NET Framework 4 to create a Windows Presentation Foundation (WPF) application. The application includes a function that is triggered by filling out a form and by clicking a button. Currently, the application is tested manually. You need to create an automated and iterative process to test the application. What should you do?（）
- A Use IntelliTrace.
- B Use UISpy.exe to extract the user interface (UI) information. Then, use MSTest.exe.
- C Use classes in the System.Windows.Automation and System.Windows.Automation.Text namespaces.
- D Use the Action Recording methodology to record the user interface (UI) actions. Then, use MSTest.exe.