What will be displayed after the following code is executed?
```
1. var myName = "Rover";
2. function myPet()
3. {
4. var myName = "Spike";
5. document.write(myName);
6. }
7. document.write(myName);
```
a. Rover
Spike
b. Spike
Rover
c. Rover
Rover
d. Spike
Spike
b. Spike
Rover
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