Their team bore delinquent participants.

Answer: Option D

Delinquent : (typically of a young person) tending to commit crime, particularly minor crime. Reverent : feeling or showing deep and solemn respect.
Uncivil : discourteous; impolite.
Quarrelsome : given to or characterized by quarrelling.
Conformist : a person who conforms to accepted behaviour or established practices.

Antonym of Delinquent is Conformist