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: As they come around the corner, they hold on to each others shirts and come down the slanted road in a single file line and a boy is shown holding a camera with a selfie stick recording the action. after <sep> (A) his turn, the gray team member is again shown and they are outside again at the bumper wheel and he begins screaming at the camera. (B) , a black male appears talking in the car and the boys are then shown walking up a set of stairs. (C) , they do a final coffee walk down a hill held widescreen until their turn. (D) , the boys are shown getting into a parked car in front and seemingly being hit by lightning, getting up and going towards the parked cars.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
B