the answer is the first circle
"Alas, our poor brother is gone. It's too hard to bear the loss, especially since we never even got to see him." Hope I did that rightXD
We can actually see here that the author primarily structure "Collecting Rocks" in the following way: B. Reported from teachers around the world.
<h3>What is structure?</h3>
Structure refers to the organisation and arrangement of a particular thing. Text or passages can be structured in such a way that one can understand what is being passed across.
Thus, we can see here that the author primarily structures "Collecting Rocks" by the reporting from teachers around the world.
Learn more about structure on brainly.com/question/12053427
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B. Zaroff respects Rainsford and thinks that he will be a worthy opponent.
Zaroff knows Rainsford is intelligent and will be a worthy oppenent because he hasn't had one thus far in his game. He's heard of Rainsford and is aware of his celebrated status as a renowned big game hunter so he's confident in him.