This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Development of nervous system and cerebrum, Subject name: Anatomy
Which of the following structures is derived from the telencephalon? 
Select and explain. 
A. Pineal gland, B. Hypothalamus, C. Hippocampus, D. Optic nerve (CN II)
C: Hippocampus
Answer: C: Hippocampus 
Explanation: The hippocampus develops from telencephalon. The pineal gland, hypothalamus, CN II, and globus pallidus are derived from the diencephalon.