Regarding Eyewitness Identifications of Possible Perpetrators

Regarding eyewitness identifications of possible perpetrators:

A) male eyewitnesses tend to make more accurate identifications than female eyewitnesses do.
B) male and female eyewitnesses tend to be equally confident.
C) male eyewitnesses tend to be more confident in their identifications than female eyewitnesses.
D) female eyewitnesses tend to make more accurate identifications than male eyewitnesses do.