Which of the Following Statements Is True of the Elaboration

Which of the following statements is true of the elaboration likelihood model of persuasion?

A) The central route is effective when people lack the time or energy to think about the message.
B) The central route works by engaging the audience thoughtfully with a sound,logical argument.
C) The central route involves factors such as the source's attractiveness or the emotional power of an appeal.
D) The central route is often used by television advertisers to persuade the viewers into buying their products.