26.關於骨質密度之測定，下列敘述何者錯誤？ (A)quantitative computed tomography檢查通常選擇脊椎T12至L5之二、三節椎體 (B)quantitative ultrasound一般選擇脊椎L1至L4 (C)quantitative dual-energy X-ray absorptiometry一般選擇脊椎L1至L4 (D)quantitative dual-energy X-ray absorptiometry亦可選擇股骨（femur）近端