The tense plot or the heart stopping danger. <span />
The title “The most dangerous game” means the in the end the game which is Dr. Rainsford defeated Zaroff which was the hunter. The game had more intellect and skill than its hunter which made it able to be undefeated.
Actually, I am not too sure the question is well phrased. Translators do not decide on character development, conflict resolution or dialogue: they just need to stay faithful to the original text, those decisions are up to the original author.
so the best answer is "word choice", but that's not exactly "structural".
Unless the option of "dialogue" means the word choice in dialogue, but I don't think so.
I would say that a good answer would be "word order" or "grammatical construction".
Answer: It provides an illustration of the challenges African Americans of the time had to face.
Explanation: Look to the sentences Before & After the phrase. This explains that there was still difficulty even in the North.