Answer: B) Asking for permission (Formal).
Explanation for this question is being written.
Answer: B) May
Answer: B) May / mustn't.
Answer: D) May
Answer: A) Prohibition
Answer: C) May
Answer: B) May I borrow your pencil, please?
Answer: B) Giving permission.
Answer: C) Permission / discretion.
Answer: A) May I go out, please?
Answer: D) May I pick the phone up? please.
Answer: D) Of course, you can.
Answer: C) May I ask for help with my project?
Answer: D) Refusing a permission.