Answer:
A. "Recently, doctors and psychologists–who study the mind–have begun looking at the health effects of reading and writing."
D. "Because we empathize, or feel what others are feeling, we expand our understanding of other people in other situations. We are also bothered by our own misfortunes."
Step-by-step explanation:
The letter "A" shows that there is scientific evidence about the benefits of reading, as this was analyzed by experts who researched and were able to provide supporting data.
The letter "D" reveals what these benefits are, showing that reading promotes strong self-knowledge as the perception of experiences, feelings and emotions, thus providing knowledge of the world around people.