集气瓶中装满某气体,可能是下列气体中的一种:①二氧化碳②一氧

集气瓶中装满某气体,可能是下列气体中的一种:①二氧化碳②一氧化碳③空气④氮气。将燃着的木条伸入瓶中,火焰立即熄灭,则该瓶气体可能是(   

A.①或②       B.②或③      C.①或④           D.③或④

答案

C

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