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
A 20 yrs aged patient, presents in coma with pin point pupils and fasciculations but no fever. Most probable diagnosis is - 
Select and explain. 
A. Head injury, B. Dhatura, C. Pontine haemorrhage, D. Organophosphorous poisoning
D: Organophosphorous poisoning
Answer: D: Organophosphorous poisoning 
Explanation: None