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: Pediatrics
A new born child developed respiratory depression In neonatal ward. Which of the following drug is the cause – 
Select and explain. 
A. Opioids, B. Barbiturates, C. Diazepam, D. Propofol
A: Opioids
Answer: A: Opioids 
Explanation: None