This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
Reward center is located in ? 
Select and explain. 
A. Cerebellum, B. Amygdala, C. Hippocampus, D. Hypothalamus
D: Hypothalamus
Answer: D: Hypothalamus 
Explanation: Ans. is 'd' i.e., Hypothalamus