You create a Windows Workflow Foundation application by using Microsoft .NET Framework 3.5. The application uses the InvokeWebServiceActivity activity. You need to obtain the execution status of the last execution of the InvokeWebServiceActivity activity. What should you do?

A.
Use the ExecutionResult property of the InvokeWebServiceActivity activity.

B.
Use the ExecutionStatus property of the InvokeWebServiceActivity activity.

C.
Add the StateActivity activity and use the ExecutionStatus property of the StateActivity activity.

D.
Add the StateActivity activity and use the ExecutionResult property of the StateActivity activity.