单项选择题

A1/A2型题 儿童静脉尿路造影,一次静脉注射对比剂用量,正确的计算方法是()A.0.5~1ml/千克体重B.1~1.5ml/千克体重C.2~2.5ml/千克体重D.3~3.5ml/千克体重E.4~4.5ml/千克体重

B.1~1.5ml/千克体重
C.2~2.5ml/千克体重
D.3~3.5ml/千克体重
E.4~4.5ml/千克体重