The answer would be A. As the doors creaked open the sun’s rays almost blinded him. This is the only option that has a mention of nature.
I think you should read it yourself
Because they would spy, smuggled, and sabotaged under the Nazis' noses
The answer is D. Theme. The theme is the central idea in a piece of writing or work of art.
C. irrelevant means of topic, doesn’t make sense with what’s going on, not useful