It looks like there’s an incomplete question before the number 3. If you want to add that as a comment, I’m happy to try to answer it.
3. C is the best answer, IMO. For osteoarthritis, joints hurt more after moving a lot.
4. True
5. B anxiety about pain can make it seem worse.
6. C is my guess. A properly placed pillow can relieve pressure/tension on a joint. Second guess would be D. Doing something fun decreases anxiety. If all of these questions relating to the same person, this might be a better answer, due to the anxiety question (number 5)