D.) criminal law
criminal law deals with people who have committed crimes and fraud and negligence are both crimes
Mr.Smith___took a walk
The dentist____pulled a tooth
He uses D. Ethos. He wants to appeal to the ethics of the people by saying that he is trying to help. He wants to challenge their silence by saying that if he were to keep quiet he would be guilty of withholding helpful information and opinions.
The answer is A with Jeremy.