茶叶中含有丰富的无机矿物元素，包括铁、氟、碘、硒等微量元素

茶叶中含有丰富的无机矿物元素，包括铁、氟、碘、硒等微量元素，对人体健康有益。上述四种元素中，缺少时易产生龋齿的元素是

A．铁　　　　　　　　　 B．氟

C．碘 D．硒

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茶叶中含有丰富的无机矿物元素，包括铁、氟、碘、硒等微量元素

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