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
All of the following are good progonostic factor for ALL except – 
Select and explain. 
A. Age of onset between 2-8 years, B. Initial WBC count less than 50000, C. Hyperdiploidy, D. t (9 : 22), t (8 : 14), t (4 : 11)
D: t (9 : 22), t (8 : 14), t (4 : 11)
Answer: D: t (9 : 22), t (8 : 14), t (4 : 11) 
Explanation: Acute Myelogenous leukemia