Which piece of textual evidence best supports the main character's dual existence? A. "Thus my life is a flight . . ." B. "Spinoza knew that all things long to persist in their being; the stone eternally wants to be a stone and the tiger a tiger." C. ". . . But those pages cannot save me, perhaps because what is good belongs to no one . . ." D. "I do not know which of us has written this page."