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: Pathology
[{'content': 'Which sites are characteristically affected in Stevens-Johnson syndrome? \nSelect and explain. \nA. Liver, spleen, pancreas, B. Conjunctiva, genitalia, oral mucosa, C. Oral mucosa, lacrimal apparatus, ears, D. Parotid gland, palate, conjunctive', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]