A.Women’s increasing participation in the work force triggered a shift in the division of labor in many households in the past a few decades.
B.Women may do more housework willingly for they don’t want to give up their responsibility as a homemaker or may because they think it is a compensation.
C.Based on the study made by the American researchers, many men of the two-earner families are still responsible for a substantially smaller share of household duties.
D.The high-earning women often did less housework then those who earn lower wages because they are lack of time and energy to balance the work and life.