D. Bitter. It wasn't humorous because they were enemies, it wasn't friendly because it ended in a murder, and it wasn't optimistic because in now way was it positive.
<span>So you can find ways to address them in your answers.</span>
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".
He fell sad about the swallow