The following is the pseudocode for which type of algorithm?

```
For maxElement = each subscript in the array, from the last to the first
For index = 0 To maxElement - 1
If array[index] > array[index + 1]
swap array[index] with array[index + 1]
End If
End For
End For
```

a. bubble sort
b. binary sort
c. bubble search
d. selection sort
e. None of these

a. bubble sort