Why is it important to know who your audience is when making a persuasive appeal?

A.So you can match your rhetorical strategy to their interests to reach them more effectively

B.So that you can use theories and ideas they don't believe in to shock and stun them

C.So that the information you give them is original and they learn something from you

D.So that you can get them to trust you by pretending to like and believe in the same things