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': "The primordia of the craniofacial complex develops from \nSelect and explain. \nA. Hensen's node, B. Notochordal process, C. Cloacal membrane, D. Blastopore", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]