Which observation describes an increase in the interrelatedness of the global economy?

Out of the following given choices;

A.      Products can now be flown to the other side of the world in less than a day.
B. These days, people purchase goods near the locations where they were made.
C. It can now take months or years to transport goods to different places on Earth.
D. New technologies are decreasing the pollution caused by transportation of goods.

The answer is A. This is because the necessity for goods to be transported across in shorter times means that the global economies are ever becoming more interdependent. In the globalized world, delays in shipments can mean loses (either in time or money)