<u>Answer:</u>
Choice D : Elion and her colleagues were responsible for developing important drugs.
The only thing it talked about was Elion's journey thru the Lab and how they met Hitchings and created important drugs, ergo, option D.
<em>~That's All Folks~</em>
<em>-Siascon</em>
Just tell the link people to s t f u -_-
