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': "Immunoglobulins used in RX  of -a) Myastheniab) I.T.P.c) PANd) Wegener's granulomatosise) Guillian Barre syndrome \nSelect and explain. \nA. abc, B. bcd, C. cde, D. abe", 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]