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': 'Hyperkeratosis of palm and sole is seen in \nSelect and explain. \nA. Carcinoma colon, B. Hepatoma, C. Adenocarcinoma lung, D. Ca oesophagus', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]