A．Women usually worked outside the home for wages.
B．Men's and women's roles were easily exchanged in the past.
C．Men's roles at home was more firmly fixed than women's.
D．Men's and women's roles were usually quite separated in the past

A．men and women will never share the same goals
B．some men will be willing to change their traditional male roles
C．most men will be happy to share some of the household responsibilities with their wives
D．more American households are headed by women than ever before