13. Which of the following assigns the number 1 to each element in a five-element, one-dimensional Integer array named intCounters?

a. For intSub As Integer = 0 To 4 intCounters(intSub) = 1 Next intSub

b. Dim intSub As Integer Do While intSub < 5 intCounters(intSub) = 1 intSub += 1 Loop

c. For intSub As Integer = 1 To 5 intCounters(intSub - 1) = 1 Next intSub

d. all of the above