Which institutional network is believed to be as old as mankind?

Listening involves the following processes:

A) awareness, rejecting, decoding, remembering, reacting B) selecting, attending, understanding, remembering, responding C) selecting, acknowledging, comprehending D) attending, sorting, interpreting, filtering, rehearsing

Which of the following is an ethical guideline for selecting a

topic? a. select a topic that you are comfortable speaking about b. persuasive topics should focus on individuals, not on issues c. your topic should not be harmful to you or to your audience d. select a topic that is new or unique to the audience