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: Physiology
[{'content': 'Regarding golgi tendon organ true is? \nSelect and explain. \nA. Senses dynamic length of muscle, B. Involved in reciprocal innervations, C. a-motor neuron stimulation, D. Sense muscle tension', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]