Quarry Workers,quarry Owners,stone Cutters,exporters,designers and Architects,builders,tile and Stone Distributors,etc

Quarry workers,quarry owners,stone cutters,exporters,designers and architects,builders,tile and stone distributors,etc.represent an example of the links connecting producers and consumers in a world market. This is an example of __________

A) an export-import model.
B) a commodity chain.
C) globalization theory.
D) a core-periphery model.