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
Causes of conjugated hyperbilirubinemia is ? 
Select and explain. 
A. Rotor syndrome, B. Breast milk jaundice, C. Crigler najjar, D. Gilbe syndrome
A: Rotor syndrome
Answer: A: Rotor syndrome 
Explanation: Ans. is 'a' i.e., Rotor syndrome