下列程序段的执行结果为 ______。 Dim m(3，3)As Integer Dim i As Integer Dim j As Integer Dim K As Integer For i=1 To 3m(i,i)=i Next For i=0 To 3For j=0 To 3 x=x+m(i，j)Next Next Print x

A．3

B．4

C．5

D．6

接合