What Advice Does the Text Offer in Regards to Using

What advice does the text offer in regards to using people as presentation aids in a speech?

A) Never use other people as presentation aids in a speech because of the potential for something to go wrong.
B) Rehearse with the person and try using a spur-of-the-moment volunteer in the speech.
C) Make sure they don't draw attention away from your speech;have them stand or sit still until they are needed in the speech.
D) Avoid using others as presentational aids;rely on yourself as the presentational aid.