This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal Radiology, Subject name: Radiology
Most Sensitive Investigation for Acute Appendicitis? 
Select and explain. 
A. USG, B. CT, C. MRI, D. Abdominal Radiography
B: CT
Answer: B: CT 
Explanation: * CT is the more sensitive investigation to detect Acute Appendicitis than USG * USG is preferred investigation for acute appendicitis in children and CT scan in Adults