What should you tell the team to do?

You are directing your team to use Microsoft Visio 2010 to design SharePoint 2010 workflows.
You need to ensure that the workflow designs are validated.
What should you tell the team to do?

A.
Use Drawing Explorer in the Visio 2010 Developer menu.

B.
Use Check Diagram in the Visio 2010 Process menu.

C.
Export the workflow in Visio 2010.
Import the Workflow Visio Interchange (.vwi) file into Visual Studio 2010.
Set breakpoints in the workflow and step through the code using the debugger.

D.
Export the workflow in Visio 2010.
Import the Workflow Visio Interchange (.vwi) file into SharePoint Designer and debug the workflow.