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
The sensitivty of Casoni's test is - 
Select and explain. 
A. 50%, B. 60%, C. 75%, D. 90%
D: 90%
Answer: D: 90% 
Explanation: Ans. is 'd' i.e., 90%