For all those people who are insanely good at memorizing stuff, HOW TELL ME PLEASE (please dont answer anything unrelated i really need an answer)

Which sentence is an example of objective, third-person writing that could be found in a scientific essay? a. i was 15 years old when i developed an eating disorder. b. my sister developed an eating disorder when she was a teenager. c. eating disorders often appear during the teen years. d. you are most likely to develop eating disorders during your teenage years.