Which of the Following Is a Factual Statement About Differences

Which of the following is a factual statement about differences in IQ test scores in the United States?

A) African American children consistently score approximately 25 points lower than white children on IQ tests.
B) Chinese and Japanese children consistently have higher scores on achievement tests,particularly the math and science sections of the tests.
C) Differences between African American and other children are apparent in infant measures of intelligence,or on measures of habituation,by the time children are two to three years old.
D) The size of the difference in IQ scores between African American and white children is steadily increasing.