In the climate-book example, blank (iii) ('the enormous gaps in our knowledge, the sparseness of our observations, and the ____') is best filled by
Aan entry that introduces a fresh, unrelated topic to the list.
Bany of the three choices, since all three list-items are interchangeable.
Cthe entry praising the author's stylistic flair.
Dan entry that matches 'gaps' and 'sparseness' in pointing at limits.
Answer & Solution
Correct answer: D. an entry that matches 'gaps' and 'sparseness' in pointing at limits.
The third item in a parallel list must match the first two in direction. 'Gaps in knowledge' and 'sparseness of observations' both point at the limits of what we know. 'Superficiality of our theories' continues that direction; 'plausibility of our hypotheses' and 'certainty of our entitlement' do not. The author is praised for highlighting limits, not for introducing fresh topics or flair.
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