The picture of the reading ability of the American people, drawn by the author, is ______.

A．their fondness of music and TV programs
B．their ignorance of various forms of art and literature
C．their lack of attentiveness and basic understanding
D．their inability to focus on conflicting input

A．The mass media offers information needed in our daily lives.
B．Publicly funded broadcasting does not present information about current wants in depth.
C．Information provided by commercials and advertising is always accurate.
D．Many TV and radio programs are not interesting.