Which of these actions should a city with a growing population take to address housing needs?
a. build tall, energy-efficient buildings with retail space on the ground level.
b. stop road construction to discourage people from moving into the city.
c. encourage urban sprawl to spread residents over more land surface.
d. reduce building codes so construction companies can work more quickly.

A. Build tall, energy-efficient buildings with retail space on the ground level.

Explanation:

Housing is a basic need for both rural and urban inhabiting human society. Due to increase in population worldwide the housing has become an important issue. The human society has turned the large natural forest land into a large urban housing land. To meet the need of housing for large population in the city A. Build tall, energy-efficient buildings with retail space on the ground level is the relevant option.

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