Generally, under the effects of cocaine...
A)the driver's ability to concentrate increases.
B)the driver's ability to concentrate decreases.Correct
C)the surroundings are perceived better and safer decisions are made.
Under the effects of cocaine, the driver's ability to concentrate decreases because the drug affects the central nervous system, which can cause impulsive behaviour, alterations in perception and a false sense of confidence. This increases the risk of accidents while driving.