Given the following pseudocode of a menu, which of the following While statements could be used to validate the user's input?
```
Select menuSelection
Case 1:
Do task 1
Case 2:
Do task 2
Case 3:
Do task 3
Case 4:
Do task 4
End Select
```
a. While menuSelection < 1 OR menuSelection > 4
b. While menuSelection <= 1 OR menuSelection >= 4
c. While menuSelection < 1 AND menuSelection > 4
d. While menuSelection < 0 AND menuSelection > 3
a. While menuSelection < 1 OR menuSelection > 4
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