This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pharyngeal Arches, Subject name: Anatomy
[{'content': 'Parafollicular c cells are derived from? \nSelect and explain. \nA. Ultimobranchial body, B. Pharyngeal pouch 4, C. Pharyngeal pouch 5, D. Neural crest cells', 'role': 'user'}, {'content': 'Answer: D \nExplanation: All option are true but Neural crest cells is better answer > Ultimobranchial body > Pharyngeal pouch 4 > Pharyngeal pouch 5', 'role': 'assistant'}]