题目内容
(请给出正确答案)
[主观题]
单击窗体时,下列程序的执行结果是 Private Sub Invert(By Val xstr As String,ystr As String)
单击窗体时,下列程序的执行结果是 Private Sub Invert(By Val xstr As String,ystr As String) Dim tempstr AS String Dim I AS Integer I=Len(xstr) Do While I>=1 tempstr=tempstr + Mid(xstr,I,1) I=I - 1 Loop ystr=tempStr End Sub Private Sub Form_Click() Dim s1 As String,s2 As String S1="abcdef" Invert S1,S2 Print S2 End Sub
A.abcdef
B.afbecd
C.fedcba
D.defabc
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