What did Jesse Owens do to prove Hitler’s theories about the superiority of white people wrong?

What did Jesse Owens do to prove Hitler’s theories about the superiority of white people wrong?
A He performed research on blood banks and transfusions that helped save the lives of many people.
B He won Olympic gold medals in the 100-meter race, the 200-meter race, the 400-meter relay, and the long jump.
C He won Major League Baseball’s Rookie of the Year Award and the National League’s Most Valuable Player Award.
D He was one of the first doctors to operate on the human heart.