Concept:The word “audacious” means showing a willingness to take bold or surprising risks.Explanation:“Daring” is the closest match because it also means having the courage to do risky or bold things.“Smart” refers to intelligence, not boldness.“Active” means energetic or moving often.“Agile” means able to move quickly and easily.None of these convey the sense of fearless risk-taking.Therefore, “daring” is nearest in meaning to “audacious”.Answer:A. daring