I was only able to find 1 pronoun shift.
Teenagers often want more freedom, but you need to show that you are responsible.
The target for an audience for an open letter is a specific individual! For more information go to: https://en.wikipedia.org/wiki/Open_letter
4/6 and 5/6 i think they have a common denominator
"It would be devastating to get a clot in the brachiocephalic artery!"
Answer: I think that A would be the best answer
Explanation: it explains more about the story
