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': 'The ventricular repolarization in ECG is best seen in: \nSelect and explain. \nA. "P" wave, B. "Q" wave, C. "R" wave, D. "T" wave', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]