Okay, I've figured out a way:

Private Sub Form_Load()
Call Hook(Txtordanswers(0))
Call Hook(Txtordanswers(1))
Call Hook(Txtordanswers(2))
Call Hook(Txtordanswers(3))
Call Hook(Txtordanswers(4))
End Sub

Is there a better way, though? How can I sum it up in one line, instead of going line by line? I'd really love to know.