The new officer is a brash young man.

Answer: Option A

Brash : self-assertive in a rude, noisy, or overbearing way.
Polite : having or showing behaviour that is respectful and considerate of other people.
Arrogant : having or revealing an exaggerated sense of one's own importance or abilities.
Kind : a group of people or things having similar characteristics.
Handsome : (of a man) good-looking.

Antonym of Brash is Polite