Okay, so this is a little hard to answer when you do not have the excerpts, but I will try my best to work a answer out of the headings. I think your answer would be C. It makes sense, the info that comes after the titles, so If I were you I would go with C.
I hope that helps.
Since its a sibling, and siblings tend to be in a person's close circle of people, informal speech is used.
Answer:
D.
Explanation:
It states that in the last sentence of the paragraph that the old traditions for the people who most likely worshipped the Kota were lost, and their old ways changed greatly over time. Because of this, I'd logically assume that many of the descendants of the original tribesmen who looked up to this figure see Kota today as a remnant of an old tradition or way of life, thus this is why I selected D.