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【单选题】
下列哪些情况属于固有耐药性( )
A.
厌氧菌因缺乏氧依赖性转运机制而对氨基糖苷类药物产生的耐药性
B.
β－内酰胺类产生β－内酰胺酶而耐药
C.
细菌利用外源性叶酸而对磺胺类耐药
D.
金黄色葡萄球菌时青霉素的耐药
E.
产生修饰氨基糖苷类的钝化酶而使药物灭活产生耐药性
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