The answer you are looking for is B.Body type. Any body type can get fit as long as they treat their body right.
Explanation:
Bruno should
Try to spend some time outdoors every day.
Plan his physical activity for earlier in the day, not right before he goes to bed.
Stay away from caffeine (including coffee, tea, and soda) late in the day.
If he has trouble sleeping at night, limit daytime naps to 20 minutes or less.
I believe the answer is b