单项选择题
A.0.1mmol/lB.0.15mmol/lC.0.2mmol/lD.0.25mmol/l
A.0.2mmol/lB.0.3mmol/lC.0.4mmol/lD.0.5mmol/l
A.0.1mmol/lB.0.1mg/lC.0.01mmol/lD.0.01mg/l
A.<100CFU/mlB.<80CFU/mlC.<50CFU/ml
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