Answer:
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The answer, in my opinion, is the second sentence, "The coach who is an expert in the sport explained the revised rules to us". Here, the "Who is an expert", is presumably the nonessential clause.
The correct answer is A. Pat hung her head without speaking a word.
Indirect characterization means that a character is described implicitly - the author did not directly say what a character is like, but rather we as readers have to infer based on their behavior and what they say. Therefore, C is incorrect because that is direct characterization; and B and D are incorrect because they are not characterization at all. Based on A, we can infer that Pat is sad or upset, which is why (s)he is described indirectly.
The story of Adam and Eve is a story from the christian bible.
Once God has finished creating the earth and the animals, he realized there was no one to enjoy it. So he breathed into the dust and shaped a man. He called him Adam. When he realized that Adam was lonely, he shaped on woman. He called her Eve. He let them live in God's garden, telling them that the fruit from that tree was God's fruit and they could not eat it.
So they lived in God's garden. But one day a snake, the sneakiest and cleverest of the animals saw Eve sitting by God's tree. The snake told Eve that if she ate the fruit from the tree, she would be just like God. So she took a bite. Then she brought the apple to Adam, and had him take a bite. When God found out, he banished them both from the garden.
That's the story of Adam and Eve. Hope this helps! Have a happy New Year!