複選題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}}。