The author believes that Charles Goodyear was a dedicated scientist who kept improving on his work. Which sentence from the article best supports this statement?

А "Another scientist who made an accidental discovery was Charles Goodyear."

B "He tried to change the rubber in countless ways, but each attempt
disappointed him."

C "One day, Goodyear spilled a mixture containing natural rubber onto a hot
stove."

D "Goodyear patented a process for making vulcanized rubber in 1844 and then
sold his product to manufacturers."