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: Pharmacology
Which of the following drug is contraindicated in osteosarcoma? 
Select and explain. 
A. Denosumab, B. Bisphophonates, C. Teriparatide, D. Salcatonin
C: Teriparatide
Answer: C: Teriparatide 
Explanation: Teriparatide stimulates osteobalsts and hence contraindicated in Osteosarcoma and Paget's disease.