Concept:Jung’s personality theory classifies people into introverts, who focus inward, and extroverts, who focus outward.Explanation:Introverts are reflective, self-aware, and prefer solitude. They are often described as self-centered because they are more concerned with their own thoughts and feelings than with external social stimuli. Extroverts, in contrast, seek social engagement. A self-centered person shows traits of an introvert, not an extrovert or ambivert. Social dependence is not related to self-centeredness.Answer:A. Introvert