It is either c or b but i think it is b because beginning with isn't really a phrase but Beginning with the first page is a phrase.
I really hope this helps :)
(i dont need the reward)
I think it would be D. Nervous, because he is thinking negatively about sleep.
Can you provide more information? I don't think anyone can provide an answer with this. Go back in your lessons. You can most likely find something there.