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【单选题】
下列选项中，关于酮的叙述，正确的是（）。
A.
静注10分钟后方产生最大效应
B.
应用于解救麻醉性镇痛药的急性中毒
C.
可用于解救巴比妥类药物
D.
有副交感神经兴奋作用
E.
不能用于抗休克治疗
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