A historian compiled the percentage of literate adults in a country in four years: 1850, 22%; 1900, 51%; 1950, 78%; 2000, 96%. The historian concluded that literacy rose substantially over 150 years. To support this, the historian could cite ______
Which choice most logically completes the text using the data above?
- A
the 1850 figure of 22%.
- B
the 1950 figure of 78%.
- C
the 1900 figure of 51%.
- Dcheck_circle
the rise from 22% in 1850 to 96% in 2000—more than fourfold.
Explanation
"Rose substantially over 150 years" is supported by comparing the endpoints. Choice B captures the 4x rise across the full period.