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': 'Splitted papule at corner of mouth \nSelect and explain. \nA. Recurrent herpes labialis, B. Recurrent herpetic stomatitis, C. Increased vertical dimension, D. Secondary syphilis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]