What happens next in this paragraph?

A large tractor is seen riding along in the snow and pushing snow into a bank. the camera
Choose your answer from:
[A]. continues to follow the tractor move along the lot and push snow.;
[B]. pans around to show a lake in the background.;
[C]. zooms in on a large pile of snow that is seen from above.;
[D]. shows the person pushing snow behind it in the background.;
[A].