I can't answer that because I didn't watched the video or read the text. But if I were you I would re-read and re-watch it. At least until I got ideas and for future advice take notes as you watch and read things the notes will also help you one up with ideas.
Answer:
Go to the Brainly symbol in the top left corner, press it. This will open up a page of questions. Click on the question and press <em>+Answer</em>.
This is not an English question, it should not be in the english area.
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”.
