This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Embryology and abdominal wall layer, Subject name: Pediatrics
A 2-month-old baby with severe jaundice also has dark-colored urine (deep yellow) and white clay-colored stool. Which of the following disorders might be suspected? 
Select and explain. 
A. Esophageal stenosis, B. Annular pancreas, C. Hyperophic pyloric stenosis, D. Extrahepatic biliary atresia
D: Extrahepatic biliary atresia
Answer: D: Extrahepatic biliary atresia 
Explanation: Following symptoms suggest obstructive jaundice i.e extra hepatic biliary atresia , which results from failure of the bile ducts to recanalize during development. This prevents bile from entering the duodenum.