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: Ophthalmology
[{'content': 'The crystalline lens derives its nourishment from \nSelect and explain. \nA. Blood vessels, B. Connective tissue, C. Aqueous and vitreous, D. Zonules', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Aqueous and vitreous', 'role': 'assistant'}]