What happens next in this paragraph?

The boy likes playing with a large wheel on the playground. Once again he goes down the slide, but with dad right behind him. he
Pick your answer from:
[a]. scores a goal shooting the ball up into the air.;
[b]. goes higher and higher on the playground and people watch him too.;
[c]. loses his balance once more and starts moving around.;
[d]. goes down the slide a 4th time but with another little boy.;
[d].