Mothers' Pensions Were Originally Designed to Aid Primarily

Mothers' pensions were originally designed to aid primarily:

A) never-married women, because they were often the most disadvantaged
B) African-American women, because they were usually poorer than white women
C) women who were divorced, because the stigma associated with divorce at the time made it hard for these women to find work
D) widows, who met society's imposed morals test