A 71-year-old woman with paroxysmal atrial fibrillation and hypertension has normal renal function and no history of bleeding. According to the CCS CHADS-65 algorithm, which antithrombotic strategy is most appropriate for stroke prevention?ANo antithrombotic therapyBAspirin 81 mg daily aloneCDirect oral anticoagulant at stroke-prevention doseDDual antiplatelet therapy with aspirin and clopidogrelEProphylactic-dose low-molecular-weight heparin indefinitelyCheck my answer