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: Forensic Medicine
Intermediate syndrome with loss of muscle power is associated with poisoning due to ? 
Select and explain. 
A. Barbiturates, B. Carbon monoxide, C. Cyanide, D. Organophosphorous compounds
D: Organophosphorous compounds
Answer: D: Organophosphorous compounds 
Explanation: Intermediate syndrome with muscle weakness is characteristic of organophosphates poisoning.