单项选择题
正常人每千克体重每天适宜摄氟量的范围是
A．0.01～0.02mg
B．0.05～0.07mg
C．0.09～0.11mg
D．0.11～0.13mg
E．0.6～0.20mg
B．0.05～0.07mg
C．0.09～0.11mg
D．0.11～0.13mg
E．0.6～0.20mg
