How can smart growth reduce a city's dependence on automobiles?

A. It encourages people living in suburbs to avoid a city's mass transit system.

B. It shortens the commute between the suburbs and a city's central business district.

C. It provides people living in high-density areas easy access to wilderness areas.

D. It reduces the amount of driving required between suburban homes and grocery stores.

B. It shortens the commute between the suburbs and a city's central business district.

By creating more walkable, mixed-use communities with accessible public transportation options, smart growth can reduce the need for people to rely on automobiles for their daily commuting needs. This can lead to fewer cars on the road, less traffic congestion, and a decreased dependence on personal vehicles.