Which of the Following Statements Is Correct for an Oligopoly

Which of the following statements is correct for an oligopoly firm with a kinked-demand curve?

A) It will increase its total revenue by raising its price but lower it by decreasing its price.
B) It will decrease its total revenue by raising its price but raise it by decreasing its price.
C) It will increase its total revenue by either raising or lowering its price.
D) It will decrease its total revenue by either raising or lowering its price.
E) Its total revenue will not change regardless of whether it raises or lowers its price.