The category of connective used in this sentence is show consequence.
Because the rain fell all day, the garden was wet - it is the consequence, the result.
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".
Scanning A. find specific info/names
Answer:
you didnt include the poem
A. Past participle
Because it is not present and it cant be past because if it was it would be had moved.