Mice Who Received Caffeine in Their Diets Made Fewer Errors

Multiple Choice

Mice who received caffeine in their diets made fewer errors in a maze-running task than mice who had not received caffeine.What does this suggest about the use of caffeine and maze-running errors among mice

A)  They are positively correlated. 
B)  They are weakly correlated. 
C)  They are uncorrelated. 
D)  They are negatively correlated.