單項(xiàng)選擇題診斷泌尿系統(tǒng)感染的尿液革蘭氏陽性球菌的菌落計(jì)數(shù)應(yīng)大于()

A.10cfu/ml
B.102cfu/ml
C.1O3cfu/ml
D.104cfu/ml
E.105cfu/ml