Answer:
B. a circular economic system
Explanation:
A circular economic system is an economic model that is aimed to completely eliminate waste when using resources. So, they tend to heavily invested on ways to recycle the residual waste of production.
This system will is favored by the countries who want to prevent the degradation of the environment.
Currently, there is no country in the world who already fully implemented a circular economic system. But a more industrialized European countries such as Germany, UK, and France already start to made a move to transition into this system.