You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5. The application consumes a Microsoft Windows Communication Foundation (WCF) service. The WCF service exposes the following method.  [WebInvoke]  string UpdateCustomerDetails(string custID);  The application hosts the WCF service by using the following code segment. WebServiceHost host = new WebServiceHost(typeof(CService),  new Uri("http://win/"));  ServiceEndpoint ep = host.AddServiceEndpoint(typeof(ICService),  new WebHttpBinding（　）, "");  You need to invoke the UpdateCustomerDetails method.  Which code segment should you use?（）

• A、A
• B、B
• C、C
• D、D