Which of the Following Statements Regarding Ethnic Group Differences in Student

Which of the following statements regarding ethnic group differences in student achievement in the United States is true?

A) National assessments have found large ethnic group differences only in student math achievement.
B) National assessments have found ethnic group differences in all subject areas that were tested.
C) Ethnic group differences in student achievement that have been identified by national assessments are decreasing.
D) Poverty and inadequate schools are not associated with differences in children's academic achievement.