[单选题]

药典规定称取某药粉0.3g(减重称量法),精密称定,则称量范围是

A.0.2-0.4g

B.0.25-0.35g

C.0.29-0.31g

D.0.27-0.33g

E.0.3-0.35g

参考答案与解析: