80 下列何種病人應被診斷為糖尿病？
(A)葡萄糖耐受試驗兩小時後 plasma glucose 180 mg/dL
(B)葡萄糖耐受試驗兩小時後 whole blood glucose 160 mg/dL
(C)空腹 plasma glucose 115 mg/dL
(D)空腹 plasma glucose 130 mg/dL