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: ENT
[{'content': 'Higher auditory center determines: \nSelect and explain. \nA. Sound frequency, B. Loudness, C. Speech discrimination, D. Sound localization', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]