This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anti-Cancer, Subject name: Pharmacology
Chemoradiation was given to a patient. Which drug given will reduce toxicity caused by radiotherapy? 
Select and explain. 
A. Vitamin A, B. Gemcitabine, C. Amifostine, D. Actinomycin D
C: Amifostine
Answer: C: Amifostine 
Explanation: Ref: Cancer Medicine 6th ed. pg. 595Radiosensitizers vs Radiation protection agentRadiosensitizersRadiation protection agentActinomycinGemcitabineHydroxyureaMetronidazoleMisonidazole5-FUMitomycinPaclitaxelAmifistoneGM-CSFTL-1