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: ENT
[{'content': 'CSF rhinorrhea "immediate" management is - \nSelect and explain. \nA. Plugging with petrolleum jelly plugs, B. Wait & watch for 7 days + antibiotics, C. Blow the nose repeatedly, D. Surgery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]