All the following are characteristic features of autistic spectrum disorder (ASD) EXCEPT

(E). Autismis typically recognized during the 2nd yr of life but can been seen earlier than 12 mo if developmental delays are severe. Initial symptoms most frequently involve delayed language accompanied by lack of social interest or odd play patterns. During the 2""yr, odd and repetitive behaviors and the absence of typical play become more apparent. It is typical for parents to report that there was no period of normal development or that there was a history of unusual behaviors. Less commonly (in 20- 0.0% of cases), a period of apparently normal development is reported before a loss of skills appears