The Legal Assumptions in the "Shared Partnership" Period of Marriage

The legal assumptions in the "shared partnership" period of marriage laws mean that

A) women and men have economic and social equality in marriage.
B) couples share a complimentary partnership in which the husband provides economic support and the wife is responsible for housework and child care.
C) husbands and wives have equal and overlappping responsibilities for economic,household and child care tasks.
D) the state will enforce privately negotiated,written,and signed partnership agreements or contracts between husbands and wives.