Answer:
The answer Is 2. your welcome!
Step-by-step explanation:
(THESE) ARE THE ANSWER CHOICES)
1. This sentence tells readers where she went to school for her doctorate degree.
2. This sentence shows Elion's determination and commitment to learn.
3. This sentence shows that Elion had to try many schools to get accepted into one.
4. This sentence proves the idea that Elion had to learn biochemistry in unusual ways.