This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Trauma, Subject name: Surgery
[{'content': 'Most common involved in blunt injury to the abdomen: \nSelect and explain. \nA. Spleen, B. Liver, C. Intestines, D. Kidney', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (a) SpleenRef: Sabiston 19/e p457-459* MC organ injured in# Blunt trauma: Spleen> Liver# Penetrating Trauma: Small Intestine', 'role': 'assistant'}]