Detailed Instructions: In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D".
Q: A close up of a car is seen followed by people walking into frame and washing the car. The people clean the exterior as well as interior and roll the car outside. they <sep> (A) park the car and continue to wipe it down followed by drying it off in the end. (B) rhythm the car up and down while cutting small pieces off using a vacuum and looking into the camera. (C) then sand the car and take pictures of it before finally taking it away from view. (D) then pump gas into the cars along the way.
A:
A