Which Is the Best Description of Attention Deficit Hyperactivity Disorder

Which is the best description of attention deficit hyperactivity disorder?

A) A disorder typified by a pattern of inattentiveness, hyperactivity, and impulsivity that is more persistent and frequent than that observed in typically developing children and youth.
B) A disorder in one or more of the basic psychological processes involved in understanding or in using language, spoken or written.
C) A condition in which an individual has a significantly lower-than-average IQ level and has deficits in functional living skills and adaptive behavior.
D) A term used to describe a group of chronic conditions affecting body movement and muscle coordination.