Which of the following lines from Edgar Allan Poe's short story "The Black Cat" reveals an unreliable narrator?
A Beneath the pressure of torments such as these, the feeble remnant of the good within me succumbed.
B I alone fed him, and he attended me wherever I went about the house.
C I was especially fond of animals and was indulged by my parents with a great variety of pets.
D We had birds, gold-fish, a fine dog, rabbits, a small monkey, and a cat.