单项选择题

儿童心肺复苏时,静脉或骨髓内注射肾上腺素的浓度和剂量应为()。

A.1:1000,0.01ml/kg
B.1:10000,0.1ml/kg
C.1:1000,0.1ml/kg
D.1:10000,0.1mg/kg
E.1:1000,0.01mg/kg