In order for a market to support superstars it must have which of the following characteristics ?

A. It must be involved in professional athletics
B. Every customer must be indifferent to the price they pay, and the seller must be a competitor in the market for the product
C. Every customer must be willing to pay an enormous amount for the product and the product must be a necessity
D. Every customer must want the good supplied by the best producer and the technology must exist for the best producer to supply every customer at low cost