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: Anatomy
[{'content': 'Middle meningeal artery enters the middle cranial fossa through: \nSelect and explain. \nA. Foramen ovale., B. Foramen spinosum., C. Foramen rotandum., D. Foramen lacerum.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]