Answer:
You could probably figure out that the boys in the story are English schoolboys, and were more than likely being evacuated from their home country to escape the possibility of atomic warfare. (Does this help?)
D. A line of safety goggles that damage the eyes
A sources copyright date is an indicator of accuracy
You should give credit to them, yes. You can state the source from which it came from, or the author himself. I’m going to say this is true