__________ is based on the role of a city as a centre of financial power and high technology infrastructure.

Correct option is B

The correct answer is: (b), Global city
A global city, also known as a world city or world metropolis, is a city that plays a significant role in the global economic system. These cities serve as major centres for finance, commerce, culture, politics, and other aspects of global affairs. They are characterized by their connectivity and integration into the global economy, attracting multinational corporations, international organizations, and a diverse population from around the world.

Information booster:
A conurbation is a large urban area formed by the merging or expansion of multiple cities, towns, and suburbs into one continuous built-up area. In a conurbation, individual urban centres grow and expand to the point where they physically merge with neighboring urban areas, creating a seamless metropolitan region.
A recreational city is a city or urban area that is known for its abundant recreational opportunities and amenities. These cities prioritize the development of recreational facilities, green spaces, cultural attractions, and leisure activities to enhance the quality of life for residents and attract tourists.