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: Surgery
[{'content': 'A patient with ITP has low platelet count and is being planned for splenectomy. What is the best time for platelet infusion in this patient? \nSelect and explain. \nA. After removal of spleen, B. After ligating the splenic artery, C. At the time of skin incision, D. 2 hours before surgery', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]