ARROGANT

Answer: Option A

Arrogant : Having or revealing an exaggerated sense of one’s own importance or ability.
Humble : Having or showing a modest or low estimate of one’s importance.
Cowardly : Lacking courage.
Egoistic : Having exaggerated self importance.
Gentlemanly : Chivalrous, courteous.

Antonym of Arrogant is Humble.