What is wrong with the following Do loop?

Dim index As Integer $=1$

Do While index $<>9$

lstBox.Items.Add$("$Hello$")$

index $+=1$

Loop

Group of answer choices

$($A$)$ The test variable should not be changed inside a Do loop.

$($B$)$ The test condition will never be true.

$($C$)$ This is an infinite loop.

$($D$)$ Nothing