A 55-year-old male with a history of systemic hypertension (for 15 years treated with an ACE- inhibitor) and hypercholesterolemia presents to the emergency room with complaints of crushing chest pain radiating to his jaw and arm. He is noted to be diaphoretic. He has a troponin I concentration of 3.5 ng/mL. He sustains a cardiac arrest while being evaluated. Of the following, which lesion would most likely be identified as a cause of the symptoms?

a) Atherosclerotic plaque in the left anterior descending coronary artery, producing 75% stenosis

b) Hemorrhage in the media of the right coronary artery, with compression of the lumen

c) Occlusion of the circumflex coronary artery, with evidence of bone formation in the plaque

d) Thrombus overlying a ruptured atherosclerotic plaque resulting in occlusion of the vessel

e) A ruptured aneurysm of the left anterior descending coronary artery