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: Psychiatry
[{'content': 'Which of the following mode of electrode placement is most commonly employed in ECT? \nSelect and explain. \nA. Bifronto occipital, B. Bifronto temporal, C. Bifrontal, D. Right unilateral', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Bifronto temporal electrode placement is most commonly done in ECT.', 'role': 'assistant'}]