D is the answer because the pass tense of practice is practiced and that’s what was needed to be the answer .
she was the first woman to win a Nobel Prize, and the only person to win the Nobel Prize in two scientific fields. She was the first woman to become a professor at the University of Paris in 1906..she is a famous chemist and scientist which research for radio activities
B. It would emphasize important details and delete irrelevant ones.
