[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: