【单选题】【消耗次数：1】
女性，20岁。发热头痛呕吐前来就诊，T 39.5℃，BP 120/80 mmHg，神清，皮肤散在出血点，脑膜刺激征(+)，皮肤瘀点，涂片发现脑膜炎奈瑟菌。应首选的磺胺类药物是
①
磺胺异恶唑
②
磺胺嘧啶
③
磺胺甲恶唑
④
磺胺甲氧嘧啶
⑤
磺胺多辛
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