When a driver does not exceed the maximum permitted alcohol level, can the traffic officer perform a second test?

A)No, under no circumstances.
B)Only if involved in an accident.
C)Yes, if they show obvious signs of being under the effects of alcohol.Correct
# Explanation
Although a driver does not exceed the legal alcohol limit, the traffic officer may perform a second test if obvious signs of intoxication are observed, such as difficulty speaking, lack of balance or erratic behavior. This is because there are other factors or substances that can affect driving ability beyond the simple breathalyzer result.