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 formation of secondary palate takes place during \nSelect and explain. \nA. 42- 55th day of gestation, B. 10-12th day of gestation, C. 3rd month of gestation, D. 4th month of gestation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]