I believe there is no such thing as b. perfect fracture.
Take the day off. Even though she may feel better the symptoms may come back.
It's a hard one between the last two. It would depend on the circumstances and the teen themselves. Generally speaking, teens who have parents that enforce things don't act out but on occasion some have decided to "rebel" and take an alternative route.
However, for the sake of this question, I'm going to say a teen whose girlfriend broke up with him but acts as if nothing had happened.
Answer: a cobot which that works in collaboration with the pastry chef
Explanation: