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
Which sites are characteristically affected in Stevens-Johnson syndrome? 
Select and explain. 
A. Liver, spleen, pancreas, B. Conjunctiva, genitalia, oral mucosa, C. Oral mucosa, lacrimal apparatus, ears, D. Parotid gland, palate, conjunctive
B: Conjunctiva, genitalia, oral mucosa
Answer: B: Conjunctiva, genitalia, oral mucosa 
Explanation: None