I believe it should be the last one
<span>i think the reason they do that is because of the lack of understanding about how important it is to watch their behavior so it won't be a nuisance to others
We are a selfish beings that tend to put ourselves above others. If we just learn to empathize , we will start to realize that we should not do anything that may negatively impact others such as littering</span>
C seems to have the best answer, as alliteration has the same sound at the beginning/or starts with the same letter. Example in the sentence; "sly serpent" and "Standing steadfast". Hope this helps!
Answer:
Im not sure but I think it's " powerful enough to change one's mood". Sorry if Im wrong