One prominent theory of the origin of depression hypothesizes that, if one becomes hopeless about his or her future, then he or she will become depressed. Thus, in this theory, hopelessness may be said to be a ________ cause of depression.
A) distal
B) sufficient
C) necessary
D) contributory

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The Answer of One prominent theory of the origin of depression hypothesizes that, if one becomes hopeless about his or her future, then he or she will become depressed. Thus, in this theory, hopelessness may be said to be a ________ cause of depression.
A) distal
B) sufficient
C) necessary
D) contributory

One Prominent Theory of the Origin of Depression Hypothesizes That