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
Which of the following has the propensity to metastasize through lymph nodes? 
Select and explain. 
A. Alveolar rhabdomyosarcoma, B. Osteosarcoma, C. Both, D. None
A: Alveolar rhabdomyosarcoma
Answer: A: Alveolar rhabdomyosarcoma 
Explanation: None