單項選擇題急性腎盂腎炎病人取中段尿進行細菌培養(yǎng),有診斷意義的是()

A.細菌數(shù)大于102/ml
B.細菌數(shù)大于104/ml
C.細菌數(shù)大于105/ml
D.細菌數(shù)小于105/ml
E.細菌數(shù)在102~105/ml