Read the following paragraph from the article.
the story of the barrier-breaking achievements by johnson and fellow black mathematicians dorothy vaughan and mary jackson was captured in the 2016 book "hidden figures" and the academy award-nominated movie of the same name.
which of the following conclusions can be drawn from the paragraph above?
a
johnson was not the only black woman to make important contributions to nasa missions.
b
johnson other black women find employment opportunities at naca and nasa.
c
vaughan, jackson and johnson all received equal screen time in the movie "hidden figures."
d
vaughan and jackson wrote about johnson in their 2016 book "hidden figures."