Key Sentence
I continued to sit there, not knowing what was going on anywhere else in the building, too afraid to imagine what might be happening.
Answer
She explains her thought process throughout the ordeal.
Time helps to build suspense and it is likely the second best answer.
From this passage alone we don't know the significance of anyone's name.
We can't know whether the outcome was revealed later or not. You have to know something about Anne Frank to know.
Answer: D