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': 'Goblet cells are seen in \nSelect and explain. \nA. Cornea, B. Conjunctiva, C. Retina, D. All the above', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Goblet cells are highly specialized epithelial cells that produce mucin.', 'role': 'assistant'}]