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': 'Intravenous immunoglobulin is given in-a) Kawasaki diseaseb) GB syndromec) Heart blockd) Atrial fibrillatione) Myasthenia gravis \nSelect and explain. \nA. abc, B. bcd, C. abe, D. acd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]