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 impoant sign in Volkmann's ischaemic contracture is; 
Select and explain. 
A. Pain, B. Pallor, C. Numbness, D. Obliteration of radial pulse
A: Pain
Answer: A: Pain 
Explanation: A i.e. Pain