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
All of the following are poor prognostic factors for acute myeloid leukemias, except - 
Select and explain. 
A. Age more than 60 years, B. Leucocytes count more than 1,00,000/ 1, C. Secondary leukemias, D. Presence oft (8:21)
D: Presence oft (8:21)
Answer: D: Presence oft (8:21) 
Explanation: None