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: Medicine
[{'content': 'Characteristic feature of early congenital syphilis is \nSelect and explain. \nA. Microcephaly, B. Saddle nose, C. Interstitial keratitis with sabre skin, D. Vesicular rash with bulla over palms and soles', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]