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
Clear cells are seen in 
Select and explain. 
A. Chondrosarcoma, B. Osteosarcoma, C. Fibrosarcoma, D. Ewing's sarcoma
A: Chondrosarcoma
Answer: A: Chondrosarcoma 
Explanation: Clear cells are seen in 

Chondrosarcoma
Clear cell carcinoma
Clear cell acanthoma