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: Anaesthesia
Circuit of choice for controlled ventilation ? 
Select and explain. 
A. Magill circuit, B. Type C, C. Type D, D. Type E
C: Type D
Answer: C: Type D 
Explanation: Ans. is 'c' i.e., Type D