Economic development includes not only economic growth but also various other economic changes that improve the quality of life or standard of living of people in a country. If with economic growth, a country experiences various economic changes such as reduction in poverty and unemployment, reduction in income and wealth inequality, increase in literacy rate, improvement in health and hygiene, etc, that improve the quality of life then that is economic development. (NIOS Economics Textbook Page32). So, C is the fitting choice.