Which of the following statements corresponds most closely to Arthur Jensen's position on ethnic differences in average IQ scores? A) IQ differences are a function of relative nutritional levels for different ethnic groups, particularly the amount of protein in one's diet. B) IQ differences reflect the inherent bias in IQ tests toward different ethnic groups. C) IQ differences are a function of the relative nature of the gene pool for different ethnic groups. D) Jensen is an interactionist and would partially endorse all of these statements.