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: Medicine
A patient presents with unconjugated hyperbilirubinemia and presence of urobilinogen in urine. Which amongst the following is the least likely diagnosis - 
Select and explain. 
A. Hemolytic jaundice, B. Crigler Najjar syndrome, C. Gilbert's syndrome, D. Dubin Johnson syndrome
D: Dubin Johnson syndrome
Answer: D: Dubin Johnson syndrome 
Explanation: None