Which road users does the term vulnerable traffic users include?

Which road users does the term vulnerable traffic users include?
A)Drivers of passenger cars.
B)Occupants of motor vehicles.
C)Pedestrians, cyclists, and riders of two-wheeled vehicles and personal mobility vehicles.Correct
Vulnerable traffic users are those who have less protection in the event of an accident and less visibility on the road. They include pedestrians, cyclists, motorcycle and moped riders, as well as users of personal mobility vehicles (scooters, etc.). These groups require special attention and protection from other road users.