15查核人員測試現金支出核准之有效性,宜採取下列何種統計抽樣?(A)貨幣單位抽樣(monetaryunitsampling)(B)傳統變量抽樣(classicalvariablessampling)(C)屬性抽樣(attributessampling)(D)分層抽樣(stratifiedsampling)