Q: 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".
. the boy in the red hat and the blue coat <sep> (A) and white hat are seated behind a bus. (B) appear out of the blue and hop in the car and proceed to climb up the ladder along several ladders. (C) are brushing a white horse. (D) is being pulled in a red tube by a rope over some icy roads.
A:
D