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: Gynaecology & Obstetrics
[{'content': 'What is the recommended lifespan of Cu T 380A is? \nSelect and explain. \nA. 4 years, B. 5 years, C. 3 Years, D. 10 Years', 'role': 'user'}, {'content': 'Answer: D \nExplanation: The recommended lifespan of various Cu T devices are as follows: Cu T 380A - 10 years Cu T 380Ag - 4 years Cu T 200 - 4 years Nova Cu T 200 - 5 years Cu T 220C - 3 years Multiload Cu T 250 - 3 years Multiload Cu T 375 - 5 years Ref: Comp Textbook of Obstetrics and Gynecology, Sadhana Gupta, 2011, Page 308', 'role': 'assistant'}]