You are answering a USMLE-style medical question. Question: A 58-year-old male is diagnosed with hypertension and started on daily propranolol after failing antihypertensive therapy with other medications. Three months later, his blood pressure appears to be adequately controlled on this therapy. While working in his garden one afternoon, the patient is stung by a wasp and experiences a severe anaphylactic reaction that is subsequently treated with epinephrine. Which of the following effects would be expected upon administration of this epinephrine treatment? Options: A) Decreased bronchodilation B) Increased motility of the gastrointestinal tract C) Decreased heart rate D) Increased heart rate Reply with ONLY the letter of the correct answer (A, B, C, or D). No explanation.