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': 'After PD Surgery patient immediate recall is done after \nSelect and explain. \nA. 1 week, B. 2 weeks, C. 3 weeks, D. 4 weeks', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]