Multi-choice problem: Continue writing the next sentence in this paragraph:

One person is shown doing a set of jump rope tricks. Two people are then shown doing more jump rope tricks. next

Available options:
(A). they are shown going back and forth and end by holding their arms on a side..
(B). , four people are shown doing jump rope tricks in the gymnasium..
(C). , a boy is shown doing a series of quick jumps on stilts..
(D). , the jump staff appears, giving instructions how far they need to perform..
(B).