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: Pathology
To which of the following events is 'good' outcome in neuroblastoma associated - 
Select and explain. 
A. Diploidy, B. N-myc amplification, C. Chromosome 1 p deletion, D. Trk A expression
D: Trk A expression
Answer: D: Trk A expression 
Explanation: None