Which of the Following Is True About Audience Adaptation

Which of the following is true about audience adaptation?

A) Audience adaptation means that audience members must adapt their values and beliefs to coincide with those of the speaker.
B) It is appropriate to adapt language to an audience, but the purpose and central idea of the speech should not be affected by audience characteristics.
C) The structure of a persuasive speech delivered to a hostile audience should be different from that delivered to a favorable audience.
D) None of the above