Children with attention-deficit hyperactivity disorder (adhd) a. have no difficulty with planning or reasoning. b. find it hard to ignore irrelevant information. c. tend to score higher in iq than other children. d. are often asymptomatic before age 7.

The answer is option b, "find it hard to ignore irrelevant information.".

Attention deficit hyperactivity disorder (ADHD) is a psychological issue of the neuro developmental type. It is portrayed by issues focusing, exorbitant action, or trouble controlling conduct which isn't suitable for a man's age.