耻骨上膀胱穿刺尿细菌定量培养 菌落计数至少多少才对尿感有诊断意义？A.≥1/ml B. ≥102m

耻骨上膀胱穿刺尿细菌定量培养，菌落计数至少多少才对尿感有诊断意义？

A.≥1/ml B. ≥102ml C. ≥103/ml D. ≥105/ml