Answer:
I believe D
Explanation:
If you have the text or can see the orginal online, you should do the search and find.
Since there is no choice options, there could be lots of different answers like: survivers, travelers, etc. It all depends, can you put the options (if there is any) in the comments of my question? Then i can answer, thanks!
#1 would be Anne Frank’s dads office building prepared the hiding place!