Which statement reflects a marker for potential developmental issues in children?

The statement that highlights a marker for potential developmental issues in children is related to their emotional well-being and social engagement. A child who "rarely appears happy" may be experiencing emotional difficulties or social challenges that could indicate developmental issues. Happiness and emotional expression are essential indicators of a child's overall development and adjustment.

When children are unable to express happiness or frequently appear down, it may suggest problems such as anxiety, depression, or difficulties in social interactions. These emotional indicators can significantly impact a child's ability to learn, form relationships, and engage in typical developmental milestones. Recognizing this behavior is crucial for early intervention and support, as addressing emotional and social concerns can lead to improved developmental outcomes.

In contrast, the other statements reflect typical developmental skills and interests that children often exhibit. Enjoying storytelling, being able to hold a pencil, and enjoying group activities are generally positive signs of engagement and development. While each of these can also have context in which they could raise concerns, the direct correlation between emotional expression and developmental health makes the statement about rarely appearing happy particularly significant.