You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. You create a Microsoft Windows Communication Foundation （WCF） service that exposes the following service contract：   01 [ServiceContract]   02 public interface IBlogService   03 {   04   [OperationContract]   05   [WebGet（ResponseFormat=WebMessageFormat.Xml）]   06   Rss20FeedFormatter GetBlog（）；   07 } You configure the WCF service to use the WebHttpBinding class， and to be exposed at the following URL：   http：//www.contoso.com/BlogService    You need to store the result of the GetBlog operation in an XmlDocument variable named xmlBlog in a Web form.  Which code segment should you use？（）

• A、A
• B、B
• C、C
• D、D