Does the use of abusive or illegal drugs affect road safety?
A)No, not at all.
B)Only if the driver is not accustomed to consuming them.
C)Yes, since they significantly alter the driver's abilities.Correct
# Explanation
Abusive and illegal drugs seriously affect road safety because they significantly alter the driver's physical and mental abilities. These substances reduce reflexes, affect concentration, distort the perception of space and time, and prevent safe driving. That is why it is prohibited to drive under the influence of drugs, regardless of whether the driver is accustomed to consuming them or not.