Studies of Homicides Committed by Men Versus Women Across the Past

Studies of homicides committed by men versus women across the past four decades indicate that as sex-role norms have changed over the years,

A) men and women now commit an equal number of homicides.
B) men continue to commit the vast majority of homicides.
C) women continue to commit the vast majority of homicides.
D) women now commit a larger percentage of homicides than they used to.