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: Orthopaedics
Radiological investigation shows sun ray appearance;diagnosis is - 
Select and explain. 
A. Osteosarcoma, B. GCT, C. Osteomyelitis, D. Ewing's sarcoma
A: Osteosarcoma
Answer: A: Osteosarcoma 
Explanation: In exams like AIIMS and AI, only best option has to be chosen and here osteosarcoma is best option.