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': 'Organelle that plays a pivotal role in apoptosis: \nSelect and explain. \nA. Endoplasmic reticulum, B. Golgi complex, C. Mitochondria, D. Nucleus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Mitochondrion must be recognized not only as an organelle with vital roles in intermediary metabolism and oxidative phosphorylation, but also as a central regulatory structure of apoptosis.', 'role': 'assistant'}]