This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Medicine
[{'content': 'Which of the following Is characteristically not associated with the development of interstitial lung disease? \nSelect and explain. \nA. Organic dusts, B. Inorganic dusts, C. Toxic gases e.g. chlorine, sulphur dioxide, D. None of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: All the given factors including organic dusts,inorganic dusts(beryllium,silica,asbestos),toxic fumes like chlorine,sulphur dioxide,Smoking,radiation etc are associated with the development of interstitial lung diseases. Ref:Harrison's medicine-18th edition,page no:2161.", 'role': 'assistant'}]