ADHD is most clearly characterized by

A) delusions.
B) distractibility.
C) hallucinations.
D) violent behavior.

ADHD

Attention-Deficit/Hyperactivity Disorder, a neurodevelopmental disorder characterized by patterns of inattention, hyperactivity, and impulsivity that are more frequent and severe than typically observed in individuals at a comparable level of development.

Distractibility

A state or condition in which the attention is easily pulled away from the task at hand towards irrelevant stimuli.