Question

4. Why must the people in the annex remain silent

during the day?
(1 Point)
There is concern that Nazi soldiers might
hear them.
Anne, Margot, and Peter need quiet in order
to study
Any noise might reveal that they are in the
building.
Mr. Frank wants them to be able to listen for
intruders.

Answer 1

The 1st and 3rd answers are very good but I believe it's actually the 3rd, "Any noise might reveal that they are in the building.

Step-by-step explanation:

They are trying to be quiet so that soldiers and other people don't hear them. I think they would try to be quiet so no soldiers here them but same thing for people.