Here are the answers to your questions:
Question 1 A) Which of the following are possessive pronouns?
- Answer: all of the above
Question 2 A) In order to change a sign from a personal pronoun to a possessive pronoun, you make the following handshape change.
- Answer: from an index finger to a flat hand (a version of a "B" palm).
Question 3 A) What sign is shown in the animation?
- Answer: HIS
Question 4 A) What sign is shown in the pictures?
- Answer: MINE
Question 5 A) What sign is shown in the animation?
- Answer: HERS
Feel free to ask if you have more questions or need further assistance!