Which of the following statements is supported by research on intelligence test bias?

A) Attempts to change intelligence tests by eliminating verbal, fact-oriented items have substantially raised the scores of low-income minority children.
B) Low-income minority children, who often grow up in more "people-oriented" than "object-oriented" homes, may lack toys and games that promote certain intellectual skills.
C) Most modern intelligence tests have eliminated items that may be biased against some groups of children, particularly low-income ethnic minorities.
D) When children of the same age enrolled in different grades are compared, those who have been in school longer score slightly lower on intelligence tests.

B