Answer:
Drivers who travel down the street
Option C is correct
Step-by-step explanation:
Population is a set of similar items that are being studied/observed for the purpose of an experiment.
In the illustration given, the residents were concerned about the drivers who speed when driving down main street.
When the group of residents were observing the street, they were taking note of drivers who obey the speed limit, and those who speed. Basically, they were observing all the drivers who travel down the street.
Therefore, the population being studied is the drivers who travel down the street