The Gallup Poll Conducted Research in 1968,1985,1992 and 1994 to Determine

The Gallup Poll conducted research in 1968,1985,1992 and 1994 to determine whether our ideas about using violence in families have changed.They specifically asked about husbands and wives slapping each other.What did they find?

A) The proportion of those who approve of slapping has stayed the same.
B) The proportion of those who approve of husbands slapping wives has remained almost equal to those who approve of wives slapping husbands.
C) The proportion of those who approve of a wife slapping her husband stayed about the same,about 21%,while the proportion of those who approve of a husband slapping a wife declined to less than 10%.
D) The proportion of those who approve slapping has increased.