Which sentence best explains how a government job posting for a position at NASA (then known as NACA) impacted Katherine Johnson's life?
(A) Katherine Johnson went from being a math teacher to using math to help send astronauts into space.
(B) Katherine Johnson went from dreaming about space travel to becoming the first female astronaut.
(C) Katherine Johnson decided to use her abilities to help inspire other African American girls to pursue their dreams.
(D) Katherine Johnson earned enough scholarship money to be able to attend college.