( )9. 執行下列 Visual Basic 程式片段,輸出結果為何?
(A) 14
(B) 23
(C) 29
(D) 30
Sub Main()
Dim i, Sum
Sum = 0
For i = 1 To 3
Sum = Fun_9(i) + Sum
Next i
Console.Write(Sum)
End Sub

Function Fun_9(ByVal X As Integer) As Integer
Fun_9 = X ^ 2 + 2 * (X ^ 1) + 1
End Function

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