Read the passage. [Healthy people decided] to shun and flee from the sick and all that pertained to them. . . . They lived removed from every other and shut themselves up in those houses where none had been sick. –Decameron How does Boccaccio support his argument that staying away from sick people helped healthy people avoid illness" by sharing his point of view to convince the reader
by offering emotional appeals to convince the reader
by using his authority on the subject to convince the reader
by using logic to back up his conclusion to convince the reader