Can the use of abused or illegal drugs alter risk perception?
A)Yes, it increases and the driver perceives risk situations better.
B)No; drug use does not alter risk perception.
C)Yes, it decreases and the driver perceives risk situations worse.Correct
# Explanation
Abused and illegal drugs significantly alter drivers' risk perception, **decreasing it**. This means that the driver underestimates the real dangers of the road and perceives risk situations worse, which considerably increases the likelihood of making mistakes and causing accidents. This alteration of perception is one of the reasons why driving under the influence of drugs is extremely dangerous and illegal.