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: Pathology
[{'content': 'Cabot’s rings are features of \nSelect and explain. \nA. Pernicious anaemia, B. Multiple myeloma, C. Burkit’s lymphoma, D. All of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]