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': 'Reversible change in which one differentiated cell type is replaced another type differentiated cell type \nSelect and explain. \nA. Metaplasia, B. Atropy, C. Hypertrophy, D. Hyperplasia', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]