What Is the Traditional Meaning of a "Double Workload

What is the traditional meaning of a "double workload"?

A) a condition associated with men and women in which one gender has to work two jobs to survive
B) the condition under which a single, unmarried woman works two jobs to be able to afford her household
C) a situation in which married women work both in outside employment and also within the home
D) the condition under which a single female-headed household is supported solely by earnings of the mother herself
E) a situation in which both the male and female in a household must be employed in order for the family to survive