Read this line from "the cask of amontillado:" the thousand injuries of fortunato i had borne as i best could, but when he ventured upon insult i vowed revenge. this line explicitly states that the narrator has done which of the following?
a. he insulted fortunato a thousand times.
b. he never tolerated fortunato's insults.
c. he had the best intentions toward fortunato.
d. he swore revenge on fortunato.