Which of the Following Statements Is TRUE Regarding Norman Borlaug's

Which of the following statements is TRUE regarding Norman Borlaug's work using wheat in Mexico?

A) Borlaug was the first to develop an effective pesticide targeting fungal pathogens of wheat; use of this pesticide markedly increased the yield of wheat crops in Central America.
B) Borlaug introduced Bt wheat crops into Mexico; these crops carried bacterial genes that encoded penicillin-like compounds targeting an array of wheat pathogens.
C) Borlaug bred wheat crops, crossing individuals that demonstrated fungal resistance to individuals that grew well in the climate of Mexico.
D) Borlaug introduced natural predators of fungi (specifically, different species of bacteria and insects) into Mexico to increase wheat crop yields.
E) Borlaug and his colleagues removed all fungal pathogens from wheat plants by hand, thereby increasing crop yields.