Multi-choice problem: Continue writing the next sentence in this paragraph:

A small group of people are seen lifting a large object into the back of a van and close ups of them and a building. The people are seen riding around a large gymnasium on roller blades performing various flips and tricks. the boys

Select from:
[a]. continue skating around and interacting with one another and performing impressive tricks.
[b]. continue riding around a sports stadium and performing tricks.
[c]. play the drums while riding around on bouncy chairs that run in a tight group.
[d]. ride around again in the end with more people watching on the side.
[a].