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': 'Which of the following is characteristically not associated with the development of inerstitial lung disease? \nSelect and explain. \nA. Organic dusts, B. Inorganic dusts, C. Toxic gases e.g. chlorine, sulphur dioxide, D. Inhalation of tobacco smoke', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]