You are creating an ASP.NET application by using the .NET Framework 3.5.

The application accesses a Windows Communication Foundation (WCF) service.

You plan to debug the application.

You need to ensure that you can step into the WCF service and debug the application.

What should you do?

A.
Use the vsdiag_regwcf.exetool.

B.
Use the wcftestclient.exetool.

C.
Change the WCF service to a self-hosted service.

D.
Set the contract for the WCF service to implement the one-way communication pattern.

Explanation:
See also:http://msdn.microsoft.com/en-us/library/bb157687.aspx