Which of the Following Statements About Tests of the Intellectual

Which of the following statements about tests of the intellectual achievement of affluent and poor children in various countries is true?

A) Affluent children in the United States score higher than affluent children in countries with greater income equality.
B) Affluent children in the United States score lower than affluent children in countries with greater income equality.
C) Poor children in the United States score higher than poor children in countries with greater income equality.
D) Poor children in the United States score lower than poor children in countries with greater income equality.