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【单选题】
治疗沙门氏菌感染引起的细菌性胃肠炎,首选抗生素是?A.
青霉素，红霉素，四环霉素
B.
氧氟沙星，复方新诺明，氯霉素
C.
强力霉素，红霉素
D.
头孢菌素，四环素
E.
青霉素，螺旋霉素
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