题目选项分析

Affirmative action is good business. So asserted the National Association of Manufacturers while urgingretention of an executive order requiring some federal contractors to set numerical goals for hiring minorities andwomen. "Diversity in work force participation has produced new ideas in management, product development,and marketing," the association claimed.

The association's argument as it is presented in the passage above would be most strengthened if which of thefollowing were true?

【选项】Disposable income has been rising as fast among minorities and women as among the population as a whole.