SAT Answer of the Day
- February 23, 2016
If you pay attention to the structure of the paragraph, the first part is concerned with describing the positive advancements that have come about as a result of humans' problem solving abilities. The fourth sentence begins with "Yet," indicating an important transition to the author's main argument. Following the transition, the author discusses an issue (drawback) of this progress--it hasn't been sustainable. Therefore, the correct answer is choice C.
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