Answer: C. World cities have market effects on a globalized urban culture.
Step-by-step explanation:
The major cities of the world are are so popular that they are able to influence the decisions of people when it comes to purchasing decisions.
This is because as major cities, they are trend setters. When a new trend emerges in a city like Paris or New York, people around the world would want to copy that trend. It is very lucrative therefore, to host a fashion show in these cities as the adoption of the presented fashion by the city increase the chances of the fashion making it globally.