Which of the following statements best explains why the areas in blue in this map have no choice regarding their electricity provider ?

A) Duke Energy Progress has a natural monopoly because competition between electric companies isn't feasible.

B) Consumers in those areas refused to purchase electricity from the competitors to Duke Energy Progress , driving them out of business .

C) The areas in blue have banned nuclear and coal power plants .

D) Duke Energy lowered prices until all competition was driven from the market .