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A certain vent releases steam every 20 minutes. If the vent releases steam at 6:25 p.m., which of the following could be a time at which the vent releases steam?
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A.9:15 p.m.
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B.10:40 p.m.
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C.11:00 p.m.
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D.12:20 p.m.
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E.1:05 a.m.
E显示答案