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': 'Haemopoietic malignancy is been in -  a) HTLV- 1  b) EBV  c) Parvo B19  d) HHV - 8  e) CMV \nSelect and explain. \nA. abd, B. ac, C. bd, D. abc', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]