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
When the rectum is inflated with air through a rectal tube, pain and tenderness occur in the right iliac fossa in case of appenidicitis. This is known as- 
Select and explain. 
A. Aaron's sign, B. Battle's sign, C. Bastedo's sign, D. Mc Burney's sign
C: Bastedo's sign
Answer: C: Bastedo's sign 
Explanation: None