Major Depressive Disorder Differs from Dysthymia in That

Major depressive disorder differs from dysthymia in that:

A) intermittent normal moods may last a few days or weeks in major depres?sion, but not in dysthymia.
B) major depressive disorder must include sexual dysfunction.
C) major depressive disorder requires more symptoms and they are present for a longer duration than in dysthymia.
D) dysthymia is of a longer duration than major depressive disorder.