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: Forensic Medicine
A green-stick fracture is: TN 06; UPSC 07; BHU 09; NIMHANS 10 
Select and explain. 
A. Seen mostly in the elderly, B. Fatigue fracture, C. Spiral fracture of long bone, D. Pa of coex is intact and pa is crumpled
D: Pa of coex is intact and pa is crumpled
Answer: D: Pa of coex is intact and pa is crumpled 
Explanation: Ans. Pa of coex is intact and pa is crumpled