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: Surgery
[{'content': 'Which of the following muscle is pierced by the needle while giving an IANB: \nSelect and explain. \nA. Medial pterygoid, B. Buccinator, C. Temporalis, D. Superior constrictor', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]