<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 9-year-old boy is brought to a pediatric psychologist by his mother because of poor academic performance. The patients mother mentions that his academic performance was excellent in kindergarten and first grade, but his second and third-grade teachers complain that he is extremely talkative, does not complete schoolwork, and frequently makes careless mistakes. They also complain that he frequently looks at other students or outside the window during the class and is often lost during the lessons. At home, he is very talkative and disorganized. When the pediatrician asks the boy his name, he replies promptly. He was born at full term by spontaneous vaginal delivery. He is up-to-date on all vaccinations and has met all developmental milestones on time. A recent IQ test scored him at 95. His physical examination is completely normal. When he is asked to read from an age-appropriate childrens book, he reads it fluently and correctly. Which of the following is the most likely diagnosis in this patient?? A: Attention-deficithyperactivity disorder, B: Dyslexia, C: Persistent depressive disorder, D: Intellectual disability, E: Autism spectrum disorder,  <response>: Based on the information provided in the question stem, the key findings are:- The boy had excellent academic performance in early grades, but is now struggling and making careless mistakes.- Teachers report he is very talkative, inattentive and easily distracted in class. - He is also described as talkative and disorganized at home.- His IQ is average and he has no issues with reading ability. - He met all developmental milestones on time.- Physical exam was normal.This history is most consistent with attention-deficithyperactivity disorder ADHD. The core symptoms of ADHD are inattention, hyperactivity, and impulsivity. The boys symptoms of being talkative, inattentive, distracted, and disorganized point to ADHD. The other answer choices can be ruled out:- Dyslexia - ruled out by his normal reading ability- Persistent depressive disorder - no symptoms suggestive of depression - Intellectual disability - ruled out by his average IQ- Autism spectrum disorder - no symptoms of impaired social communication or repetitive behaviorsA: Attention-deficithyperactivity disorder 