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单项选择题

某学龄儿童采用0.05%NAF漱口水预防龋齿,其使用方法应为()

A.每月含漱1次,每次10ml,含漱1min
B.每周含漱1次,每次10ml,含漱1min
C.每天含漱1次,每次10ml,含漱1min
D.隔周含漱1次,每次10ml,含漱1min
E.隔天含漱1次,每次10ml,含漱1min