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': 'Posterior segment of the eyeball includes structures present posterior to the: \nSelect and explain. \nA. Posterior surface of the lens and zonules, B. Iris and pupilVitreous body, C. Anterior surface of the lens and zonules, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Posterior surface of the lens and zonules', 'role': 'assistant'}]