Correct Option (D)
All three assumptions are valid with reference to the passage.
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Assumption 1: Sustainable economic growth demands the use of creative potential of man.
The passage highlights the "potential for lower-carbon growth" and the necessity of a "climate-smart development strategy" to enhance resilience. Achieving such innovative and resilient development pathways requires strategic thinking, problem-solving, and the application of human ingenuity and creative potential to devise sustainable solutions.
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Assumption 2: Intensive agriculture can lead to ecological backlash.
The passage advocates for integrating adaptation and mitigation into a "climate-smart development strategy" to improve "development outcomes" and reduce the threat of global warming. While specific agricultural practices are not mentioned, the overarching theme of "climate-smart" and "resilient" development implicitly acknowledges that intensive human activities, if not managed sustainably, can result in ecological degradation or "backlash." Such outcomes would undermine development goals and increase vulnerability to climate change, contradicting the passage's call for robust policies.
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Assumption 3: Spread of economic prosperity can adversely affect the ecology and environment.
The passage contrasts the lower energy consumption per capita in today's developing economies with that of developed countries at similar income levels historically, indicating a "potential for lower-carbon growth." This comparison implies that the traditional path to prosperity, as observed in developed nations, often involved high energy use and associated environmental impacts. The emphasis on a "climate-smart development strategy" and the need to reduce "the threat of further global warming" further suggest that unmanaged or conventional economic expansion can indeed have detrimental effects on the ecology and environment.
Incorrect Options:
Options A, B, and C are incorrect because they selectively validate only one or two of the assumptions. Based on the inferences drawn from the passage, all three assumptions are considered valid, as elaborated above.