The costs of material damage caused in accidents affect...

A)the road only, because those are the highest costs.
B)the vehicle only.
C)the vehicle and its cargo, the road, and the environment.Correct
Traffic accidents directly and indirectly affect all participants in road traffic. They affect vehicle occupants, who may sustain injuries; they affect the vehicle, as parts may be broken; they affect the road, as signs, barriers or the road surface may be damaged; and they affect the environment, as polluting substances from inside the vehicle may be spilled.