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: Unknown
Lifetime for as long as 10 Years is of which IUCD - 
Select and explain. 
A. Cu T 200, B. Cu 250, C. CuT 380 A, D. Progestasert
C: CuT 380 A
Answer: C: CuT 380 A 
Explanation: Ans-C