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: Radiology
[{'content': 'In the bisecting technique, the film is placed \nSelect and explain. \nA. Parallel to the tooth, B. As close as possible, C. Parallel to the bisector, D. Perpendicular to the bisector', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]