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
2 days after birth a baby developed respiratory distress and had scaphoid abdomen. Breath sounds were decreased on left side. After bag and mask ventilation, ET tube was put and maximal cardiac impulse shifted to the Right side. What is the next step of management 
Select and explain. 
A. Naso-gastric tube insertion, B. Remove ET tube and reattempt intubation, C. Chest X-ray, D. Confirm the position of endotracheal tube
D: Confirm the position of endotracheal tube
Answer: D: Confirm the position of endotracheal tube 
Explanation: None