Given the task definition and input, reply with output. In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").

Fact1: when light enters the eye through the pupil , that light falls on the retina, Fact2: Receptors are cells in the retina that perceive light., Question: What part of the eye perceives light when light enters through the pupil? (A) nerves (B) bacteria (C) cells (D) viruses (E) receptors (F) molecules (G) organ (H) Epidermis
E