Juan is a difficult baby who is often anxious and withdrawn.It is most likely that Juan

A) has a reactive nervous system.
B) is usually cheerful and relaxed.
C) has a predictable feeding and sleeping schedule.
D) is securely attached to his parents.

Reactive Nervous System

Refers to the part of the nervous system that responds spontaneously to stimuli, often indicative of an instinctual or immediate reaction.

Anxious

Experiencing worry, unease, or nervousness, typically about an imminent event or something with an uncertain outcome.

Withdrawn

A state or behavior characterized by a reluctance to engage with others or participate in social activities, often due to emotional or psychological reasons.