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: Medicine
ELISA test for AIDS is- 
Select and explain. 
A. More sensitive but less specific, B. More specific but less sensitive, C. Highly sensitive and specific, D. Neither specific nor sensitive
A: More sensitive but less specific
Answer: A: More sensitive but less specific 
Explanation: None