In One Study,white Participants Had to Decide as Quickly as Possible

In one study,white participants had to decide as quickly as possible whether an object depicted in a photograph was a handgun or a hand tool.Each photograph was immediately preceded by a picture of either a black face or a white face.The results showed that participants were faster to identify the

A) handgun when it was preceded by a black face.
B) handgun when it was preceded by a white face.
C) hand tool when it was preceded by a white face.
D) handgun when it was preceded by a black face, and a hand tool when it was preceded by a white face.