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
The effective range of shot gun is : 
Select and explain. 
A. 10 to 15 yards, B. 20 to 30 yards, C. 30 to 40 yards, D. 60 to 80 yards
C: 30 to 40 yards
Answer: C: 30 to 40 yards 
Explanation: C i.e. 30 - 40 yards