The correct answer is definitely C. appearances.
Indeed, during this event the Creature comes out of his hiding place and approaches a luminous figure, a wise, blind, noble old man and asks him for his help to be accepted by the Delacey cottagers. The old man Delacey cannot see, but he is able to perceive that the Creature has a good, humane nature, and can thus “see” him as he really is. The creature’s appearance is unimportant to him since the Creature has proven by his actions and his exquisite mind that he is a good person, regardless of his hideous physical appearance.
Later, when the Delacey family sees the Creature, they are horrified and are convinced that his hideous appearance reflects his inner nature which is of course terribly incorrect and unjust.
