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: Social & Preventive Medicine
Study the following table carefully and answer the questions -
 Disease  Test ResultPresent Absent  +ve40 225 -ve 10 225 The sensitivity of this study is - 
Select and explain. 
A. 40, B. 20, C. 80, D. 50
C: 80
Answer: C: 80 
Explanation: None