Answer:
B. It introduces a new central idea to focus on.
Explanation:
I say this but I didn't read the passage, so excuse me if I'm wrong. It doesn't seem to be A, sense it isn't contrasting a statement. It really could be C as well, but this seems to be something it would focus on. It could not be D because it is not a concluding sentence, it would leave the passage in an awkward state. This is why I say B.
Answer: 1. Humans are the cause of their own problems
Explanation:
You fail if you don't have one. it's key to intro paragraph
Various elements include exposition, the rising action, the climax, sometimes the peripeteia, and the falling action. After peripeteias come new climaxes followed by falling actions.
