A 54-year-old woman with known metastatic breast cancer presents with worsening generalised bone pain and constipation. Blood tests show adjusted calcium 3.1 mmol per litre. What is the most appropriate initial management of her hypercalcaemiaAIncrease dietary calcium to stabilise levelsBGive intravenous 0.9 percent Sodium chloride followed by intravenous BisphosphonateCStart oral Thiazide diureticDDischarge with oral fluids and review next weekEStart long-term oral calcium and vitamin D supplementsCheck my answer