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
MIC-2- Marker of - 
Select and explain. 
A. Ewing sarcoma, B. Osteosarcoma, C. Dermatofibrous protruberans, D. Alveolar cell sarcoma
A: Ewing sarcoma
Answer: A: Ewing sarcoma 
Explanation: . Ewing sarcoma