Considering Many Different Societies and Patterns of Marriage, What Situations

Considering many different societies and patterns of marriage, what situations tend to create egalitarian marriages?

A) Marriages are more likely to be egalitarian when women make significant economic contributions to family survival.
B) Marriages are more likely to be egalitarian when women's families select a mate and when the husbands' families pay a dowry.
C) Marriages are more likely to be egalitarian when women live with their husbands' families after the couple marries.
D) Marriages are more likely to be egalitarian when the society has clearly differentiated gender roles.