This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Skin, Bones and Joints, Subject name: Pathology
Arrange the following tumours according to increasing age group A. Ewing's Sarcoma B. Osteosarcoma C. Osteoclastoma D. Chondrosarcoma 
Select and explain. 
A. B,D,A,C, B. C,B,D,A, C. D,A,C,B, D. A,B,C,D
D: A,B,C,D
Answer: D: A,B,C,D 
Explanation: Tumours according to increasing age group A. Ewing's Sarcoma B. Osteosarcoma C. Osteoclastoma D. Chondrosarcoma