This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Ophthalmology
[{'content': 'Treatment of choice for phlyctenular conjunctivitis is \nSelect and explain. \nA. Topical steroids, B. Sodium cromoglycate, C. Zinctioxide, D. AKT', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]