Available options:
[a]. runs to the ramp and jumps down the track.;
[b]. then comes back and begins moving the pedals on the bicycle and then stands up on the bike.;
[c]. goes on going down the course with other kids and a man on the side watching him.;
[d]. walks away from the ramp and runs into another fellow rider riding a dirt bike.;Choose from options above and answer: What most naturally follows?

A boy is sitting on a ramp with the flaps up on his dirt bike waiting to go on the course. the boy
Answer:
[b].