Audience-centeredness means that public speaker should

Public speaker should be able to influence the audience .They shall make audience connected with them.It is said that it doesnt matter how deep you speak, how great speaker you are but if your words are not delievered to your audience then your efforts go to vain.So your tounge should be able to deliever message of your heart to your audience

it's either a or b. i'm leaning more towards a.

can you tell me the answers to this