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").
Q: Fact1: Blood pressure is highest in arteries and lowest in veins., Fact2: Blood is brought into the heart by veins and carried away by arteries., Question: The highest blood pressure is found in (A) alveoli (B) toes (C) the eyes (D) arteries (E) humans (F) lungs (G) hemoglobin (H) veins
A:
D