A 76-year-old woman with non-valvular atrial fibrillation has a CHA2DS2-VASc score of 4 (age, hypertension, diabetes, female sex). She has no contraindications to anticoagulation. What is the most appropriate strategy to reduce her stroke risk?AStart Aspirin 75 mg once dailyBOffer no anticoagulation because of ageCStart a direct oral anticoagulant at an appropriate doseDOffer dual antiplatelet therapy with Aspirin and ClopidogrelEArrange catheter ablation as first-line treatment and avoid anticoagulationCheck my answer