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: a light bulb is used for seeing in the dark, Fact2: Incandescent lights heat a metal filament that radiates light inside a glass bulb., Question: What is used for used for seeing in the dark? (A) It gets more light (B) Magnifying glass (C) Heating a metal filament. (D) our nearest star (E) Eyeglasses (F) Electrical energy (G) Electric devices (H) Binoculars
C