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
Which of the following is not a hard sign of aerial injury? 
Select and explain. 
A. Expanding or pulsatile hematoma, B. Aerial bleeding, C. Shock, D. Bruit
C: Shock
Answer: C: Shock 
Explanation: Answer- C. ShockHard signsDistal circulatory deficitIschaemiaAbsent or diminished pulsesBruitExpanding or pulsatile hematomaAerial bleeding