You are developing a Windows Presentation Foundation (WPF) application. You need to display HTML content from a Web Page on the WPF form. What should you do?（）

• A、 Add a FlowDocumentReader control to the design surface. Then create a FlowDocument control.
• B、 Add a ContentControl control to the design surface. The reference a WebClient object to return an HTML string.
• C、 Add a DocumentViewer control to the design surface. The create a FixedDocument control.