The tramway fare is 1
The number of the passengers in a cable car is limited to 2
The new town refers to 3
The speed of the car is 26 kilometers 4
When the cable car runs, it should rise to the height of 5

A．shrinking of metropolitan areas
B．disorderly expansion of the central city
C．movement from the central city to the suburbs
D．movement from the central city to rural areas