Read the following passage about urbanization and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 18 to 22.

Urbanization, the process of increasing urban population and the expansion of urban areas, is a significant global trend. (18) _____. As more and more people migrate to cities in search of opportunities, urban centers are growing at an unprecedented rate.

Urbanization can bring numerous benefits, such as economic growth, cultural exchange, and access to education and healthcare. (19)_____. Cities can serve as hubs of innovation, attracting talented individuals and fostering creativity.

However, rapid urbanization also presents challenges, including overcrowding, pollution, and social inequality. (20) _______. Inadequate infrastructure, such as transportation and sanitation systems, can strain urban resources.

To address these challenges, sustainable urban planning is essential. (21)_______. By creating green spaces, promoting public transportation, and investing in renewable energy, cities can reduce their environmental impact and improve the quality of life for their residents.

Ultimately, the success of urbanization depends on our ability to balance economic growth with social and environmental sustainability. (22) ______. By adopting sustainable practices and prioritizing the well-being of urban dwellers, we can shape cities that are both vibrant and resilient.