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面向对象程序设计单选题中等

C++中,动态创建一个二维数组的正确语法是?

Aint** arr = new int[3][4];
Bint** arr = new int*[3]; for(int i=0; i<3; i++) arr[i] = new int[4];
Cint* arr = new int[3][4];
Dint** arr = new int[3][4]; arr = new int*[3];