I am not you, therefore I do not know your life nor your friends, however if you are struggling to think of something, think of the times you went to camp with them, or when u both studied/failed on a test together. Or during a birthday party. Or during your first sleepover. These are all great examples of memersble things you and your friend may have done together
Mr. White doubts that the monkey's paw can really grant wishes.
I believe the answer is B.
Hope that helps you.