For one thing , getting my diver 's license has been on my to - do list . First it was on my list of Things To Do Before I Turn 25 . Then I had to move it to my Things To Do Before I Turn 30 list .

Question with options to choose from: Why did I change the list ?
Available choices:
[A]. I got injured .
[B]. I got older and had more to do .
[C]. I could n't take a vacation .
[D]. None of the above choices .
[B].