What happens next in this paragraph?

The woman stops and demonstrates the motor area of the machine. Back sitting on the rowing machine, she rows one more time and places the cables down. the woman
Pick from:
[a]. rewinds the scene in front of the camera.
[b]. removes her feet from the straps.
[c]. begins to talk to the camera main, then the barometer, then the cable and returns to talk to the camera.
[d]. moves the run up front of the machine.
[b].