The intSales array is declared as follows: Dim intSales() As Integer = {10000, 12000, 900, 500, 20000}. Which of the following loops will correctly add 100 to each array element? The intSub variable contains the number 0 before the loops are processed.

The correct answer is C.

Option A will not work because it only increments the intSub variable, not the array elements.

Option B will not work because it adds 100 to the entire array, not each element.

Option C will work because it increments the intSub variable and then adds 100 to the corresponding array element.

Option D will not work because it increments the intSub variable past the end of the array.

Here is an example of how Option C would work:

``` Dim intSales() As Integer = {10000, 12000, 900, 500, 20000} Dim intSub As Integer = 0

Do While intSub < 5 intSales(intSub) = intSales(intSub) + 100 intSub = intSub + 1 Loop

Console.WriteLine(intSales(0)) // 20000 Console.WriteLine(intSales(1)) // 22000 Console.WriteLine(intSales(2)) // 1000 Console.WriteLine(intSales(3)) // 600 Console.WriteLine(intSales(4)) // 21000 ```