In the Following Code Segment, What Type of Variable Is

Multiple Choice

In the following code segment, what type of variable is counter?
Dim temp, counter, check As Integer
Do
temp = CInt(InputBox("Enter a number.") )
counter += temp
If counter = 10 Then
check = 0
End If
Loop Until (check = 0)

A) counter
B) accumulator
C) sentinel
D) loop control variable