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
Hospital waste product accounts – a)  Paper 40%b)  Plastic 10%c)  Infectious waste 30%d) Rage 30%e)  Glass 4% 
Select and explain. 
A. ab, B. ad, C. bc, D. be
D: be
Answer: D: be 
Explanation: None