A child has to verbalize his thoughts using three syllables at a time, pause, and then state another ...

Ans: D
Rituals are common compulsions in which objects must be in a certain order, motor activities are performed in a rigid fashion, or things are arranged in perfect symmetry. A ritual consumes a great deal of time to complete even the simplest task. Some individuals experience discontent, rather than anxiety, when things are not symmetrical or perfect. Behaviors such as touching every third tree, avoiding cracks in the sidewalk, or consistently verbalizing fears of losing a parent in an accident may have some underlying pathology but are common behaviors in childhood.