This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
A newborn with respiratory distress was noted to have marked nasal flaring, audible grunting, minimal intercostal chest retarction. The respiratory rate was 30/min. The Silverman score of this child would be? NOT RELATED- MEDICINE 
Select and explain. 
A. 1, B. 2, C. 3, D. 6
D: 6
Answer: D: 6 
Explanation: .