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 30 year old person met with a roadside accident. On admision his pulse rate was 120/minute, BP was 100/60 mmHg. Ultrasonagraphy examination revealed laceration of the lower pole of spleen and haemoperitoneum. He was resuscitated with blood and fluid. Two hours later, his pulse was 84/minute and BP was 120/70 mm Hg. The most appropriate course of management in this case would be- \nSelect and explain. \nA. Exploring the patient followed by splenectomy, B. Exploring the patient followed by excision of the lower pole of spleen, C. Splenorrhaphy, D. Continuation of conservative treatment under close monitoring system and subsequent surgery if further indicated', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]