Укажите предложение, в котором предлог as употреблён неверно :

Варианты ответа

1. A.They did as they promised.
2. B.You can do it as you like.
3. C.I once had a part-time job as a tour guide.
4. D.Brian is a student, as most of his friends.верно
5. E.She works as an entertainer in a park.