Correct Answer: A
Explanation:
(A)Despair is the state of feeling hopeless; enervation (that is, complete lack of energy) is the state of feeling listless.
Melancholy: a) sadness and depression of spirits b)
a tendency to be sad, gloomy, or
depressed
Tireless: that does not become tired; untiring
Fatigue: the tendency of a metal or other material to
crack and fail under repeated applications
of stress
Heedless: not taking heed; careless; unmindful
Solemnity: solemn ceremony, ritual, observance,
etc
Feckless: weak; ineffective
Gaiety: the state or quality of being gay;
cheerfulness