A 78-year-old woman with a history of falls is found to have a vitamin D level of 20 nmol/L. She lives in a care home. According to NICE NG189 (Vitamin D), what is the recommended treatment approach for deficiency in this patient?AAdvise increased sunlight exposure and dietary intakeBOffer a fixed-dose combination of calcium and vitamin DCPrescribe a loading regimen of high-dose vitamin D followed by maintenanceDPrescribe vitamin D 800 IU daily indefinitelyENo treatment needed as this is a common finding in the elderlyCheck my answer