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: Forensic Medicine
[{'content': 'The earliest manifestations of Chronic lead poisoning include: \nSelect and explain. \nA. Colic and Constipation, B. Encephalopathy, C. Punctate basophilia, D. Lower limb paralysis', 'role': 'user'}, {'content': 'Answer: C \nExplanation: C i.e. Punctate basophilia', 'role': 'assistant'}]