1-91A Sophisticated Prospective Study of the Role of Stressful Life

1-91.A sophisticated prospective study of the role of stressful life events in bipolar disorder by Ellicott,Hammen,and colleagues found that

A) low levels of stress protected an individual against manic episodes.
B) stress did not play a lesser role with the occurrence of more episodes.
C) high levels of stress were not associated with the occurrence of manic or depressive episodes.
D) low levels of stress protected an individual against depressive episodes.