单项选择题
A、A＝(1,2,3,－2,4,6);B=(3,-1,2,3,-1,2);A*B
B、 A＝[1,2,3,-2,4,6];B=[3,-1,2,3,-1,2];A*B
C、 A＝[1,2,3;-2,4,6];B=[3,-1;2,3;-1,2];A*B
D、A＝[1,2,3;-2,4,6];B=[3,-1;2,3;-1,2];AB
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