Monopoly Powers Given to Domestic Utility Companies to Create Economies-Of-Scale

Monopoly powers given to domestic utility companies to create economies-of-scale might unintentionally

A) be an obstacle to increased international trade.
B) be useful for the creation of a comparative advantage for the domestic country.
C) not be used for rent-seeking behaviors.
D) be a positive externality for the world as a whole.
E) None of the above.