For Children,the Hours Watching Sesame Street on Television Correlates Positively

Multiple Choice

For children,the hours watching Sesame Street on television correlates positively with higher vocabulary.Which conclusion,if any,can we draw from this result?​

A) Watching Sesame Street increases children's vocabulary.
B) ​Children with a good vocabulary enjoy watching Sesame Street.
C) Upper-middle-class families have children with good vocabularies and encourage children to watch Sesame Street.
D) ​None of these conclusions follow from the result.