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(13)单击命令按钮时,下列程度的执行结果是         

 Private Sub Command1_Click()

         Dim a As Integer,b As Integer,c As Integer

  • a=2:b=4:c=6
  • Call S2(a,b)    Print"a=";a;"b=";b;"c=";c;
  • End Sub    Private Sub S1(x As Integer,y As Integer)
  • Dim c As Integer    x=2*x:y=y+2:e=x+y
  • End Sub    Sub S2(x As Integer,By Val y As Integer)
  • Dim e As Integer    x=2*x:y=y+2:e=x+y
  • End Sub
  • A.a=4 b=6 c=6        B.a=8 b=6 c=6        
  • a=4 b=6 c=6          a=8 b=6 c=6
  • C.a=4 b=6 c=6        D.a=8 b=6 c=6
  • a=8 b=6 c=6          a=4 b=6 c=6
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