What happens next in this paragraph?

One person staggers and falls from the skateboard, and only the road and the sky can be seen. Then, the person continues skateboarding and falls again on the road. after
pick from the following.
[a]. , the person shows his injured legs and the broken shin pads and tennis shoes.
[b]. , another person stumbles and falls, and a man look.
[c]. , the man stands up, and again falls, but this time with the skateboard.
[d]. , the person stops and rises his skateboard.
[a].