Read the following sentence from the article.
In a 1983 study, Barcus analyzed over 1,100 characters in 20 children's television programs and
found that only 42 were black.
HOW does this detail develop the author's central idea?
(A)It shows how long researchers have been studying racial disparity in television programming.
(B)It provides evidence to support the idea of racial disparities in children's television programs.
(C)It describes how characters are negatively portrayed in children's television programs.
(D)It explains why racial disparities exist in children's television programs, especially cartoons.
in the article?
