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': 'Anaplasia is \nSelect and explain. \nA. Lack of functional differentiation, B. Lack of structural differentiation, C. Is a characteristic feature of malignancy, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]