78. 下列 Java 語言程式片段，那些宣告正確？
(A)int [][] a = new int[2][3];
(B)int b[]={0,1,2,3};
(C)int c[][]= new int[][]{{1,1},{2,2}};
(D)int d[][] = {{1,2}, {1,2,3}, {1,2,3,4}}。