I think the safest choice would be D.
hope it helps
D. lack of interest in friends or activities.
Answer:
anorexia nervosa
Explanation:
anorexia nervosa happens when someone feels like they are overweight when they are really not Hope this helps
Answer:
B. A Reward Economy
Explanation:
The teacher is rewarding him with stars for his good behavior. Therefore it is a Reward Economy.