A 71-year-old woman with osteoporosis and a prior vertebral compression fracture asks about calcium and vitamin D. She has no contraindications. According to Osteoporosis Canada, which regimen is most appropriate as part of her management?AAvoid calcium and vitamin D supplements as they worsen fracture riskBCalcium 500 mg/day and vitamin D 200 IU/day only if dietary intake is poorCTotal elemental calcium intake 1200 mg/day (diet plus supplements) and vitamin D 800-2000 IU/dayDHigh-dose calcium 2000 mg/day and no vitamin DEVitamin D 10 000 IU/day and no attention to calciumCheck my answer