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
Rapid infusion of blood causes 
Select and explain. 
A. Acute Left heart failure, B. Ankle edema, C. Pulmonary edema, D. Respiratory Distress
C: Pulmonary edema
Answer: C: Pulmonary edema 
Explanation: None