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: Pressure receptors are found mainly in the skin., Fact2: Skin pressure receptors announce that the feet are on the ground or the buttocks are on a chair., Question: What does the receptors on the epidermis detect and tell your feet or buttocks they are touching? (A) wavelengths and photons (B) temperature (C) heat or cold (D) Pressure recpetors (E) light energy (F) rays or beams (G) refraction of light (H) energy of moving objects
D