Which of the Following Statements Is True of the Role

Which of the following statements is true of the role of psychological factors in depression?

A) According to researchers, depression is related to an optimistic attributional style rather than a pessimistic attributional style.
B) The course of depression can be influenced only by what people think but not how they think.
C) Individuals with depression have a brain that is wired for attention to positive information.
D) The tendency to ruminate negative thoughts is associated with the development of depression.