What happens next in this paragraph?

We then see two boys in a room pretend to wrestle. The left boy kick the right then jumps on his back while he bends forward. the right boy
Pick your answer from: a). uses his left hand to push backwards.; b). flips the left one over and the boy kicks the left one.; c). kneels in front of the left boy.; d). then flips the left boy on the mattress on the ground.;
d).