What is the output of the following program when the button is clicked on?

```
Private Sub btnDisplay_Click(...) Handles btnDisplay.Click
Dim result As Double
Dim number(4) As Double
FillArray(number)
result = SumArray(number)
txtBox.Text = CStr(result)
End Sub
Sub FillArray(ByRef anyArray() As Double)
Dim temp() As String = IO.File.ReadAllLines("Data.txt")
For i As Integer = 0 To 4
anyArray(i) = CDbl(temp(i))
Next
End Sub
Function SumArray(anyArray() As Double) As Double
Dim total As Double
total = 0
For i As Integer = 0 To 4 Step 2
total += anyArray(i)
Next
Return total
End Function
```
Assume the five rows of the file Data.txt contain the following entries: 1, 3, 5, 7, 9
(A) 0
(B) 25
(C) 15
(D) None of the above

(C) 15