Answer:
A. make sure your goals are ethically sound
Explanation:
Clotilde did not verify the information she got from her vegetarian aunt that claimed that meat consumption was the number one cause for cancer in the United States and she went ahead to use such unverified information in a speech.
She violated one guideline for ethical speaking which is that she did not make her speech ethically sound as it contained the opinion of a person but was said in such a way that her listeners would take it as an established fact.
Because of Clotilde's carelessness, she has misinformed sections of the public which goes against the ethic of public speech.
