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: ENT
[{'content': 'Allergic rhinitis treatment include all except - \nSelect and explain. \nA. Antibiotics, B. Avoiding allergen, C. Corticosteroids, D. Surgery', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]