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
Hanging is defined as : 
Select and explain. 
A. Suspension of body a ligature, body weight acting as constricting force, B. Suspension of body by ligature after death, C. Obliteration of air passages by external compression, D. Mechanical interference to respiration
A: Suspension of body a ligature, body weight acting as constricting force
Answer: A: Suspension of body a ligature, body weight acting as constricting force 
Explanation: A i.e. Suspension of body, body weight acting as constricting force