Final answer:
Shenzhen is China's third largest industrial city after Shanghai and Beijing. It is a major center for manufacturing and global trade, and has experienced substantial industrial growth since becoming a Special Economic Option number 4 is correct.
Step-by-step explanation:
China's third largest industrial city after Shanghai and Beijing is Shenzhen. Shenzhen has experienced rapid industrial growth, transforming from a moderately sized city to an industrial powerhouse within a few decades.
It's a major city in Guangdong Province and a crucial center for manufacturing and global trade, with sprawling factories producing a wide range of goods, including electronics and consumer products for international markets. Shenzhen's growth has been in part due to its status as a Special Economic Zone, attracting investment and bolstering the city's industrial capacity.