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': 'Rapid infusion of blood causes \nSelect and explain. \nA. Acute Left heart failure, B. Ankle edema, C. Pulmonary edema, D. Respiratory Distress', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]