Black and White Participants Were Shown Pictures for Less Than

Black and White participants were shown pictures for less than 1 second of White and Black men carrying either guns or cameras.Participants were instructed to "shoot" the men carrying guns by pressing a button.What were the results of the study?

A) White,but not Black,participants were more likely to mistake a camera for a gun if it was held by a Black man.
B) White and Black participants were more likely to mistake a camera for a gun if it was held by a Black man.
C) White,but not Black,participants usually correctly identified a gun held by a White man.
D) White and Black participants usually correctly identified a gun when held by a White man.