What happens next in this paragraph?

A man is standing outside in front of a row of trees. He is holding and talking about an archery set. He shows the up close mechanics of the bow. he

[a]. is demonstrating how to properly shoot an arrow..
[b]. presses it into the center of the grass, tightening all of the screws, creating the arrow..
[c]. is then shown demonstrating how to use the bow and arrow to shoot at targets..
[d]. also demonstrates how to shoot while it is fully loaded with arrows..
[c].