A 70-year-old man with known stable angina has worsening exertional chest pain occurring with minimal exertion over the last week. He took GTN with partial relief. What is the most appropriate next step?AIncrease his GTN dose and review in 6 monthsBAdd a long-acting nitrate and continue current management in primary careCTreat as unstable angina and arrange urgent same-day hospital assessmentDStart Aspirin 75 mg only and review in 2 weeksEStop his beta-blocker to avoid masking symptomsCheck my answer