What is the function of a claim in an argument?
abg
to introduce the topic
to state the writer's opinion
to state a reason for the writer's belief
to give evidence supporting the writer's belief

I think the answer is D, because claims are, essentially, the evidence that writers or speakers use to prove their point.

this story explains the proverb “small acts of kindness will be rewarded greatly” and how anyone regardless of their size and appearance, can make a major impact in certain situations. this tale can teach your child to appreciate others and create a tendency in their minds.