7. According to the article, how could smart cities worsen existing problems?

A. Smart cities are more likely to attract large companies and investors, indirectly harming the economies of traditional cities.

B. Certain areas of smart cities could be made more advanced than others, creating greater inequality between citizens.

C. Large cities are more likely to become smart cities, creating greater inequality between cities of varying sizes.

D. Citizens who live centrally in smart cities are more likely to benefit than those who live on the outskirts.

ARTICLE : https://theconversation.com/how-to-ensure-smart-cities-benefit-everyone-65447