Which Statement Accurately Reflects Research Findings on Intelligence and Delinquency

Which statement accurately reflects research findings on intelligence and delinquency?

A) The little variability among average IQ scores of racial and ethnic groups suggests no relationship between intelligence and delinquency.
B) There is no evidence that, as a group, delinquents score lower on standard intelligence tests than nondelinquents.
C) As a group, delinquents are less intelligent than nondelinquents.
D) There is an inverse relationship between IQ scores and the tendency toward delinquency.