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': 'Closure of Neural Tube begins at which of the following levels - \nSelect and explain. \nA. Cervical Region, B. Thoracic Region, C. Cephalic end, D. Caudal end', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]