Multi-select problem: How does the next paragraph end?

A woman is seen hosting a news segment that leads into a clip of a dog jumping. people

Pick your answer from:
 a). are seen riding around a race track as well as perform tricks with their dogs..
 b). are seen walking in front of the dog and scores are made..
 c). are shown doing tricks with their dogs and running all across a field..
 d). are seen holding frisbees and lead into a dog jumping and jumping on a person's feet and the dog jumping..
c).