In One Study,police Officers Were Presented with Computer-Simulated Black and White

In one study,police officers were presented with computer-simulated Black and White suspects who were either armed or unarmed.What best summarizes the results?

A) Police officers treated White and Black suspects the same.
B) Police officers were more likely to shoot the unarmed suspect when he was Black than when he was White.
C) Police officers' race bias disappeared with their efforts to make fair decisions.
D) B and C
E) All of the above.