In a study by Mika R. Moran, Daniel A. Rodriguez, and colleagues, residents of Caracas, Venezuela, and of Fortaleza, Brazil, were surveyed about parks in their cities. Of the 1,043 respondents from Caracas, 44.7% indicated that they use the city's parks, and of the 938 respondents from Fortaleza, 35.7% indicated using city parks. however, given that the percentage of Caracas respondents who reported living within a 10-minute walk of a park was much lower than that reported by Fortaleza respondents, greater proximity alone can't explain the difference in park use.

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Mark for review

Which choice best describes the function of the underlined portion in the text as a whole?

A It introduces a counterexample to the scenario described earlier in the text. B It supports the main claim with statistical evidence. C It clarifies a term used earlier in the passage. D It provides historical context for the argument.