"Harrison Bergeron" takes place in 2081, in the United States, and it's main point is the society depicted, that restrained critical thinking and creativity, as well as competition; in a distorted application of methods to achieve equality. They used devices to avoid clear thinking, masks to hide beauty with the purpose of placing people in the same level.
The characters are the Bergeron family in which the son, Harrison Bergeron, was so superior that no "containment" device could avoid his skills and appearance to show up. In a tentative of changing the world and freeing the handicapped people, and after all that being their "King", Harrison defies the system and ends up being murdered by the commander of this new world: The United States Handicapper General. As no one could remember what happened on the moment before, even Harrison's parents who were watching the scene on TV, the world continued as it were.
Mom Dad did you know that 9 out of 10 doctors recommend getting a rabbit to cut down on depression? I mean just look at them they are so small and helpless whats to stop a cat or a bird to swoop down and eat the poor bunny? if you don't believe me go ask Tommy he has a rabbit.
An external conflict between Gogols mother and father
When you enumerate you need to put comas between all the items except the ones which are connected by "and" : as A is not correct as it does not have comas, and B is incorrect as it has comas where "and" is.
now, in a way both C and D are correct, but C is the usual accepted version, and D is an example of "Oxford coma" (where the coma is optional, to remain on the safe side, choose C).