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: Surgery
Neuroblastomas - good prognositc factor is - 
Select and explain. 
A. N-myc amplification, B. RAS oncogene, C. Hyperdiploidy, D. Translocations
C: Hyperdiploidy
Answer: C: Hyperdiploidy 
Explanation: None