As Described in the Text, Which of the Following Statements

As described in the text, which of the following statements best describes the the strategy of many potato growers since 2005 ?

A) Growers have worked together to reduce supply and stabilize demand. As a result, equilibrium price has been propped up and allowed farmers to earn what they consider a decent profit.
B) Growers have continued to compete vigorously with each other, causing prices and profits to decrease.
C) Growers have restricted supply so much that there is now a severe shortage of potatoes in the United States.
D) because efforts by potato growers to restrict supply are illegal in the United States, they have focused exclusively on increasing demand to increase their profits.