问题：
[单选题]Knowing your audience is an important part of preparation because ________.
Ait will help you be more confident if you know how many people will be listening
Ban accurate analysis of the audience helps you present interesting and useful information to them
Cby analyzing the audience, you can make sure your jokes are understood and the audience has a good time while you are presenting
Dit ensures there will be no surprises of interruptions during your presentation
