California - Probation Officer Trainee Practice Exam

Describing an adolescent as habitually discontented suggests a persistent state of unhappiness or dissatisfaction. The term "plaintive" accurately conveys a sense of expressing sorrow or complaint, which aligns with the notion of discontentment. When someone is plaintive, they often show signs of sadness or a lamenting attitude, reflecting their ongoing struggle with negative emotions. This understanding helps connect the word "plaintive" to the behavior of someone who is frequently unhappy, making it the most fitting choice. In contrast, the other options imply positive or neutral emotions. For example, "joyful" and "content" directly contradict the notion of being discontented. "Indifferent" suggests a lack of interest or concern, which does not necessarily capture the habitual dissatisfaction described in the question. Therefore, "plaintive" is the most appropriate descriptor for someone who is habitually discontented.