What does this sign located on the rear of a vehicle indicate?

A)That it transports dangerous goods.
B)That it is a special vehicle and is performing work on the road.
C)That it is a slow vehicle and cannot exceed the speed of 40 km/h.Correct
# Explanation
This red triangular sign with a yellow or white background on the rear of a vehicle indicates that it is a **slow vehicle** that cannot exceed 40 km/h. This sign warns other drivers that they must maintain a safe distance and be cautious when overtaking, since the vehicle is traveling at a very low speed compared to the normal flow of traffic.