Say hey I am interviewing this person he or she is 16 years old she is from Colombia her favorite sport is basketball she is a shy girl or boy
Ethos in a persuasive argument is the credibility of the person making the argument so it would be D. For future reference, think of commercials with the people saying that the product being shown worked well for them.
The literal definition for an argument is an exchange of diverging or opposite views, typically a heated or angry one.
And the definition for an argument in writing is a reason or set of reasons given with the aim of persuading others that an action or idea is right or wrong.
I'd say that's fairly true. As a writer myself criticism can point out faults if used correctly