Every October,as the Leaves Begin to Fall,Jasmine Suddenly Begins to Feel

Every October,as the leaves begin to fall,Jasmine suddenly begins to feel hopeless,sad,and lethargic.These feelings last until March,when flowers start to bloom and trees take on the glorious green of spring.Jasmine is most likely suffering from

A) learned helplessness.
B) a negative explanatory style.
C) a seasonal pattern of symptoms.
D) dysthymia.