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': 'Which of the following is used to show the base of the skull, sphenoid sinus, position and orientation of the condyles, and fractures of the zygomatic arch? \nSelect and explain. \nA. The TMJ surgery, B. Submentovertex projection, C. Reverse-Towne projection, D. The facial profile survey', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]