【单选题】【消耗次数：1】
环甲膜切开术后的插管时间（）
①
一般不应超过24小时
②
一般不应超过4小时
③
一般不应超过6小时
④
一般不应超过8小时
⑤
一般不应超过12小时
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breaking; running
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broken; running
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breaking; run
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broken; run
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tried; to be left
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had tried to; leaving
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tried to; left
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had tried; have left
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Having stolen
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Having been stolen
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Stolen
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to solve; being talked about
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solving; discussing
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to solve; to talk about
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solving; being discussed
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having lost
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losing
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to be lost
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Walking or sleeping
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Walking or slept
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Having walked or slept
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to laugh; hearing
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laughing, heard
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laughing; hear
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laughed; heard
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to fix
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fixed
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it marked
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marking
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marked
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to mark
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to sit; tying
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sitting; tying
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seating; tied
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seated; tied