Seasonal affective disorder happens when:
Group of answer choices
A. There is no chronological relationship between the onset of major affective episodes in major affective disorder and a particular season of the year
B. There is a chronological relationship between the onset of major affective episodes in major affective disorder and a particular season of the year
C. There is no chronological relationship between the onset of major depressive episodes in major depressive disorder and a particular season of the year
D. There is a chronological relationship between the onset of major depressive episodes in major depressive disorder and a particular season of the year