Which of the following is NOT a chief advantage of mass transit over other forms of transportation?

AEconomy.
BEnergy conservation.
CFlexible door-to-door service.
DFreedom from car owner responsibilities.

Verified Answer :

I believe it's D. Freedom from car owner responsibilities. Mass transit or public transit enable to carry a bigger number of persons in one way transport. Thus, it helps the economy to grow at the same time, it saves energy since in just 1 transport a lot of people can already ride on it. Plus, it gives flexible door to door services