Which of the following things happened when Mary Stuart’s husband got murdered?

• She was suspected of involvement in the murder
• She asked Elizabeth I for help
• She gave her throne to Elizabeth I
• Both A and B
  Explanation:

  "When her husband was murdered, Mary was suspected of involvement and fled to England. She gave her throne to her Protestant son, James VI of Scotland. Mary was Elizabeth I’s cousin and hoped that Elizabeth might help her, but Elizabeth suspected Mary of wanting to take over the English throne, and kept her prisoner for 20 years."