What Was NOT One of the Conclusions of Herbert Blumer's

What was NOT one of the conclusions of Herbert Blumer's study on the influence of movies on children and adolescents?

A) Movies should be seen as a genuine educational institution for children and adolescents.
B) Children and adolescents were more likely to be influenced by movies than any other age group.
C) One of the ways movies influence their viewers is by implanting attitudes.
D) In movies, extremes are often presented as the norm resulting in conflict with other sources of education.