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
The most serious complication of a pelvic fracture is: 
Select and explain. 
A. Rupture urinary bladder, B. Neurogenic shock, C. Hypovolemic shock, D. Malunion
C: Hypovolemic shock
Answer: C: Hypovolemic shock 
Explanation: None