Which of the Following About the Elements of the Rhetorical

Which of the following about the elements of the rhetorical situation is true?

A) Your speech is given in a space that has no connection to the rest of the world.
B) Without a speaker,the source has only himself/herself in which to send the message.
C) You should be able to state the purpose of your speech in three sentences or less.
D) Your audience comes to you without expectations,knowledge,or experience.
E) You can place your topic within the frame of reference of current events.