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: They begin by facing their backs to the camera and break into a dance move by raising their sticks up in the air. then they <sep> (A) fling their sticks in the air and catch it and turn around to face the camera. (B) switch and begin to dance more as well. (C) continue dancing, flipping, balancing and performing many moves and some puns and movements. (D) twirl around both ways while the girls continue to perform tai chi.
A:
A