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: Surgery
[{'content': 'Cartridges should not be permitted to soak in alcohol because it \nSelect and explain. \nA. Destroys vasoconstrictor, B. Is less effective, C. Is warm in sensation, D. Diffuses though rubber cap causing contamination', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]