This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Anatomy
[{'content': "Vineyard sprayer's lung is seen in which metal poisoning \nSelect and explain. \nA. Arsenic, B. Mercury, C. Lead, D. Copper", 'role': 'user'}, {'content': "Answer: D \nExplanation: Vineyard sprayer's lung: Persons engaged in spraying copper sulphate in vineyards due to chronic inhalation of copper sulphate show features of granulomatous lung and liver damage. Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 430", 'role': 'assistant'}]