Probably a) improve your mood. but there isn't really an answer for c because i don't know what c can be. hope that helped tho
Answer:
The answer is C: playing video games
Explanation:
He could make sure he exercises regularly to keep the blood flow pumping to his heart, he can eat healthy so that he does not have a lot of fat build up in his arteries and he can also stay away from smoking to keep his body functioning properly.
Message me if you need any more help!