antoine is an 8-year-old boy who has been brought to a clinical social worker due to concerns about his behavior at home and in school. the child reports that he frequently finds his mind wandering. he loses interest in activities easily and can barely complete his homework. his mother describes that for the last year or so, antoine has been disorganized and forgetful, and often loses things. antoine states that he gets bored quickly and gets frustrated easily. the most appropriate dsm-5 diagnosis for antoine would be:
