下列程序段的执行结果为( )。 Dim A(3,3) For M=1 To 3 For N=1 To 3 If N=M Or N=3-M+1 Then
A(M,N)=1 ElseA(M,N)=0 End If Next N Next M For M=1 To 3 For N=1 To 3 Print A(M,N) Next N Print Next MA) 1 0 0 0 1 0 0 0 0 B) 1 1 1 1 1 1 1 1 1 C) 0 0 0 0 0 0 0 0 0 D) 1 0 1 0 1 0 1 0 1