Traffic Congestion Causes Higher Costs and Discomfort to Residents of a City.An

Traffic congestion causes higher costs and discomfort to residents of a city.An outcome like this arises for common resources because:

A) the marginal social cost of any one individual's use of the roads is less than the individual marginal cost.
B) the marginal social cost of any one individual's use of the roads is greater than the individual marginal cost.
C) the marginal social cost of any one individual's use of the roads equals the individual marginal cost.
D) it is impossible to compare the marginal social cost of any one individual's use of the roads with the individual marginal cost.