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': 'The primary function of basal ganglia is \nSelect and explain. \nA. Preprogramming of voluntary activity, B. Control of equilibrium, C. Sensory integration, D. Short term memory', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Preprogramming of voluntary activity > Basal ganglia are involved in the planning and programming of movement or, more broadly, in the process by which an abstract thought is converted into voluntary action. Basal ganglia also play major role in some cognitive processes.', 'role': 'assistant'}]