C i think because the peragraph talks around how the american plants is a misery source.
The answer is: [D]: "Nothing simpler" .
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Note: This phrase is used after the word, "Precisely." Furthermore, the word, "Nothing", is an "absolute" word.
Given the fact this phrase, "Nothing simpler!", is used after the word, "Precisely"—as a "single direct word" in a oral quotation (and as a single direct phrase as "repetition") — suggests the author's purpose to persuade (as opposed to the other answer choices given).
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Answer:
Not Me
Explanation:
I answered this so precisely so it should be trust worthy