A BizTalk Server 2010 solution contains an orchestration that sends messages through a logical port with the Binding property set to Specify later. You need to change the orchestration so that the logical port is not bound to a physical port. What should you do?

A.
Change the Binding property of the port to Specify now.

B.
Change the Binding property of the port to Direct.

C.
Set the Type Modifier property of the port type to Private.

D.
Set the Type Modifier property of the port type to Public.