Answer:
its the one you marked
helps us learn a topic by explaining it in order
The answer is independent clause
Why would everyone be concerned about Anne's nightmare?
D. Because they do not want to be discovered.
The reaction the others have is to silence Anne because her screams “are endangering all our lives”, as Dussel comments. Mr. Frank as well was alerted by the sound and tries to calm down Anne, he wants her to “lie quietly”.
It provides a different opinion on topics that people believe in and to better what we do as a society and to better ourselves we must challenge our thinking and be open to new experiences because that is how we learn