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: Skin
[{'content': 'Characteristic feature of early congenital syphilis is: \nSelect and explain. \nA. Microcephaly, B. Saddle nose, C. Interstitial keratitis with saber skin, D. Vesicular rash with bulla over palms and soles', 'role': 'user'}, {'content': 'Answer: D \nExplanation: D i.e. Vesicular rash with bulla over palms & soles', 'role': 'assistant'}]