下面给出了四个条件:①空间三个点  ②一条直线和一个点  ③和直

下面给出了四个条件:

①空间三个点  ②一条直线和一个点  ③和直线a都相交的两条直线  ④两两相交的三条直线.其中,能确定一个平面的条件有(    )

A.0个                   B.1个                C.2个                  D.3个

答案

A

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