Urban Areas in the United States Have Often Grown with a Poor

Urban areas in the United States have often grown with a poor or absent public transit system in place because

A) public mass transit was not necessary once people could own cars.
B) public mass transit has been opposed by businesses that profit from individually owned means of transportation.
C) Americans have never liked the idea of public (government-owned) mass transit.
D) there were no technological breakthroughs that would make public mass transit as economical as private transportation.