Those who begin delinquent behaviors at the start of adolescence A. often have moderate to severe learning difficulties
B. are more socially isolated and violent than children who began delinquency in middle childhood
C. are not likely to criminal behavior in adulthood have conduct problems that arise from the peer context of early adolescence

"six months ago, several of molly's friends joined the trimtime fitness center. each of them participated in trimtime's weight-reduction and fitness regimen. all reported substantial weight reduction, and all are visibly slimmer. molly is convinced. she joins trimtime and enrolls in the program, hoping and expecting to see the same results. she is especially delighted to learn that trimtime had adjusted its program to make it even more effective in a shorter period of time." what is the feature in question/attribute of interest in this argument?