$$\text { Which of the following program segments will sum the eight numbers input by the user? }$$

Multiple Choice

$$\text { Which of the following program segments will sum the eight numbers input by the user? }$$

A) For k As Integer = 1 To 8
s = CDbl(InputBox("Enter a number.")
S += k
Next
B) For k As Integer = 1 To 8
a = CDbl(InputBox("Enter a number.")
S += 1
Next
C) For k As Integer = 1 To 8
a = CDbl(InputBox("Enter a number.")
A += s
Next
D) For k As Integer = 1 To 8
a = CDbl(InputBox("Enter a number.")
S += a
Next