单项选择题
A.0.4 B.0.7 C.3.4 D.3.7 E.4.2
A.0.8 B.1.2 C.3.8 D.4.2
A.0.2 B.0.4 C.0.8 D.1.2
A.挂号费 B.保价费 C.撤回更改手续费 D.国内平常信函资费
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