Edited passage (corrections are in bold, everything else is fine):
Considered one of the most significant documents in the history of the democracy, the Magna Carta was written by thirteenth-century barons to protect their rights against King John of England. During the American Revolution, the document inspired the colonists in their pursuit of freedom.
Hope I was able to help! Feel free to leave a comment if you have any further questions :)
I would say D, since A and B would be highly irrelevant. C sounds like a possible answer, but could still be viewed as irrelevant since it doesn't actually contain info about MP3 players.
You would have to tell us what the sketches are
A personal narrative is a story from your perspective