I would say the answer is B because the paragraph mentions Carson’s protecting Kim, which comes up in answer B again.
a comprehensive description and explanation of an idea or theory.
"the exposition and defense of his ethics"
synonyms: explanation, description, elucidation, explication, interpretation, illustration; More
2.
a large public exhibition of art or trade goods.
synonyms: exhibition, fair, trade fair, display, show, presentation, demonstration; More
Personification
explanation- life like features are given to an object that is not alive. (leaping of water)
Peer pressure :<em> influence from members of one's peer group.</em>
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Bullying : <em>seek to harm, intimidate, or coerce (someone perceived as vulnerable).</em>
A, his first step on the moon's surface
