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: Dental
[{'content': 'The anterior cranial base is a suitable for superimposition\nof serial cephalograms because of its \nSelect and explain. \nA. Anatomic configuration, B. Attachment to maxilla, C. Early cessation of growth, D. Being the most anterior aspect of the cranial base', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]