Which of the following is an example of a manifest function? A. After a book was banned from public libraries because it was judged to be obscene according to local standards, sales of the book increased dramatically. B. After studying the jobs that will be most in demand in the future, Tym decided that there was no point in setting up a plan for his career path. C. After reading materials that were published by a program designed to encourage people to eat health foods, Liam decided he would stop eating candy. D. After seeing that litter on the streets increased during three-day weekends, people from the community decided there was no point in trying to keep streets litter free.