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': 'Skilled voluntary movement is initiated at \nSelect and explain. \nA. Cerebral cortex (motor cortex), B. Basal ganglia, C. Cortical association, D. Cerebellum', 'role': 'user'}, {'content': 'Answer: A \nExplanation: "The fundamental impulses for the muscle contraction originate from the motor cortex"', 'role': 'assistant'}]