多项选择题

二维数组初始化正确的是()

A.intarr[3][4]={1,2,3,4,5,6,7,8,9,10,11,12};
B.intarr[3][4]={{1,2,3,4},{5,6,7,8},{9,10,11,12}};
C.intarr[][4]={1,2,3,4,5,6,7,8,9,10,11,12};
D.intarr[3][4]={{1,2,3},{4,5},{6}};

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