为真性菌尿的是

A.清洁中段尿培养，菌落计数为10⁴～10⁵/ml
B.清洁中段尿培养，菌落计数为10³/ml
C.清洁中段尿培养，菌落计数≥10⁵/ml
D.清洁中段尿培养，菌落计数为5*10⁵/ml
E.清洁中段尿培养，菌落计数为10*10⁵/ml