From breaking the national record at the age of 22, to taking on challenges at the age of 30, and finally to setting a new Asian record at the age of 32, Su continues to make China proud. He has made history through scientific training and willpower.The title “Making History Through Scientific Training and Willpower” means that Su Bingtian ____.

A. is well-known among sprinters for his strong willpower

B. has beaten all the other sprinters through scientific training

C. has changed the history of sprinting through scientific training as well as his willpower

D. is a sprinter who has done well through scientific training

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