All of the Following Statements About Early Language Delays Are

All of the following statements about early language delays are accurate except

A) there is compelling evidence of a genetic contribution
B) they are a reliable indicator of the form of autism known as Asperger's Syndrome
C) the majority of 2-year-olds with language delay have normal language abilities by the age of 3 or 4 years
D) nearly all children who have language impairments in later years had some sort of prior language delay