Read the following quotation from "The Pit and the Pendulum":
"For many hours the immediate vicinity of the low framework upon which I lay, had been literally swarming with rats . . . They had devoured, in spite of all my efforts to prevent them, all but a small remnant of the contents of the dish. . . . In their voracity the vermin frequently fastened their sharp fangs in my fingers."
Using context clues, what does voracity most likely mean?
greed
hunger
enthusiasm
cruelty