Use transitions by marking into the next paragraph.
for example,
Later that day,..
Answer:
A
Explain:
They grow suspicious of each other, afraid that one will cheat the other out of a win. They decide to treat each other as purely competitors for the time being.
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.