What happens next in this paragraph?

There are a some leaves fallen on the curb. One of the boys bends down and skates in a seated position. the boys
Select from the following.
[a]. take breaks for gas.
[b]. stop skating and play wall ball, hiding behind the leaves.
[c]. continue skating in wheelchairs in front of the house.
[d]. continue skateboarding through the streets, going past houses in the residential area.
[d].