With Regard to Labor Force Participation by Wives, We Can

With regard to labor force participation by wives, we can say that __________.

A) compared 30 years ago, more women with children under 18 participate in labor force
B) the younger the children's ages are, the more women participate in labor force
C) in general, white women show higher level of labor force participation than black women
D) the vast majority of husbands view it as shameful to have their wives in the workforce