Synonym of APLOMB

Answer: Option D

Agitation : a state of anxiety or nervous excitement.
Noise : a sound, especially one that is loud or unpleasant or that causes disturbance.
Sacrifice : an act of slaughtering an animal or person or surrendering a possession as an offering to a deity.
Self-confidence : a feeling of trust in one's abilities, qualities, and judgement.
Aplomb : self-confidence or assurance, especially when in a demanding situation.

Synonym of Aplomb is Self-confidence