Time-Diary Studies That Covered Almost 50 Years Compared the Changes

Time-diary studies that covered almost 50 years compared the changes in the amount of time women and men spent in household work and they found that

A) the gap in the amount of housework done by men and women has ceased to exist.
B) the gap in the amount of housework done by men and women has increased.
C) the gap in the amount of housework done by men and women has seen no substantial change.
D) the gap in the amount of housework done by women and men has decreased.