This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Nervous System, Subject name: Physiology
[{'content': 'Golgi tendon organs are concerned with \nSelect and explain. \nA. Static length, B. Dynamic length, C. Muscle tension, D. Muscle length', 'role': 'user'}, {'content': 'Answer: C \nExplanation: (C) Muscle tension', 'role': 'assistant'}]