Answer:
C. The awareness of impending death came about slowly, subtly
Explanation:
According to the given excerpt, the comment from Dickinson about expecting death in the line “since then — tis centuries — and yet/ feels shorter that the day/ I first surmised the horses head/ were toward eternity" is the awareness of impending death came about slowly, subtly.
This is because he slowly realizes as he feels shorter that day and finding out that the horses egad was toward eternity.
It's saying that Atticus is a respectable person who doesn't see race as a reason to or to not defend someone; he's not racist. It shows that racism in the south is common, and that because of that, Scout has grown up being taught to be racist. Atticus is trying to turn her away from that and get her to focus on the person's true self, not the color of their skin.
Try googling it or looking it up on Slader. Maybe change the language on Brainly to whatever language that is. Then you will find people who speak that language and they will be able to help you