Q: 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: Ethologists usually study how animals behave in their natural environment., Fact2: Many ethologists capture their observations on videotape or audio tape., Question: Scientists study animal behavior through which of the following? (A) audio and video tape (B) Electrical energy (C) irradiation (D) A computer (E) raising their temperature (F) Something coming from a gland (G) The bending of a ray of light (H) characteristics
A:
A