Answer:
none of the above
Explanation:
Public speaking is the speech delivered live before the general public. It involves a communication of ideas from the speaker to the listeners or the general public. The purpose involved behind public speaking is to persuade the audience. Confidence and the ability to persuade are some of the important skills that a public speaker is required to possess.
Imagining the audience in their underwear is one of the clichés that is a bad speaking advice. It do not help the speaker reduce the nervousness or overcome it.