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Correct answer: C
Explanation
A is incorrect because the passage presents counterarguments, suggesting it does not claim it is the *only* solution. B is incorrect because while waste is mentioned as a challenge, the overall focus is on balancing pros and cons, not just criticizing current protocols. C is correct because the author discusses the 'compelling candidate' status (pro), followed by 'significant counterarguments' (con), leading to a balanced conclusion about its role ('trade-offs'). D is incorrect because the tone remains analytical and measured, acknowledging benefits while cautioning on risks, rather than solely arguing against it for developing nations.