单项选择题

毒理指标铅由GB5749-1985的限值0.05mg/L修订为GB5749-2006的()mg/L,镉由GB5749-1985的限值0.01mg/L修订为GB5749-2006的()mg/L。

A.0.01,0.005
B.0.01,0.003
C.0.03,0.005
D.0.03,0.003