The passage explain regarding "a people’s culture.<span>"
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Based on this line "Now, the rest of the tribe calls my father the “Beginner of the Earth” because he mediates between Enkai and our tribe, just as he did when the cattle returned from the sky." it shows a culture of a certain group.
Dress codes don't benefit students because they take away creativity in a school system that already doesn't have huge support for creative courses(such as art and music classes etc.). It also takes away one of the biggest ways that kids/people express themselves.
I think the answer A. is a good one. As long as you have the evidence to prove it, it would be A.
What are the options? I'd say that elders would probably be the least interested in a new type of iPod.