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单项选择题

关于女性输尿管下列哪项是正确的()

A.长20cm,内径最细为3~4mm,最粗为7~8mm
B.长25cm,内径最细为3~4mm,最粗为7~8mm
C.长30cm,内径最细为3~4mm,最粗为7~8mm
D.长35cm,内径最细为3~4mm,最粗为7~8mm
E.长40cm,内径最细为3~4mm,最粗为7~8mm