A 65-year-old man with hypertension and chronic kidney disease is evaluated preoperatively for elective hip replacement. Functional capacity is less than 4 METs, with elevated surgical risk and no active cardiac conditions. What is the next step?ACancel surgeryBRoutine coronary angiographyCNoninvasive stress testing if results will change managementDStart high-dose beta-blocker on the day of surgeryENo further evaluation regardless of riskCheck my answer