You are answering a USMLE-style medical question. Question: A 17-year-old high school student was in shop class when he accidentally sawed off his pointer finger while making a bird house. He fainted when he realized his finger had been cut off. The teacher immediately transported the patient to the emergency department and he arrived within 20 minutes. He has a past medical history of asthma, and his only medication is an albuterol inhaler. The patient's current blood pressure is 122/78 mmHg. Analgesics are administered. The teacher states that he left the amputated finger in the classroom, but that the principal would be transporting it to the hospital. Which of the following is the correct method of transporting the amputated finger? Options: A) Submerge the finger in ice water B) Wrap the finger in moist gauze C) Wrap finger in moist gauze, put in a plastic bag, and place on ice D) Wrap the finger in moist gauze and submerge in ice water Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.