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 strongest attachment of the vitreous body to the surrounding structures is at the level of: \nSelect and explain. \nA. Vitreous base, B. Optic disc, C. Posterior surface of the lens, D. Foveal region', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. Vitreous base', 'role': 'assistant'}]