Answer:
d.pure monopoly
Step-by-step explanation:
Monopoly is a term used in economics to refer to a company or business organization that has little or no competition and so is at a better position to exploit the public at will as they are in control of price and at a better bargaining power. There is hardly any need for marketing or promotion under monopoly. This is demonstrated by Turkmen Telecom which has absolute monopoly as they are the only business in that market