假定一个10行20列的二维整型数组,下列哪个定义语句是正确的( )
A int[]arr = new int[10,20]
Bint[]arr = int new[10,20]
C int[,]arr = new int[10,20]
Dint[,]arr = new int[20;10]
A int[]arr = new int[10,20]
Bint[]arr = int new[10,20]
C int[,]arr = new int[10,20]
Dint[,]arr = new int[20;10]