B.
Not A. because it isn't only for solving simple problems.
Not C. because it CAN work well with personal or school problems.
Not D. because you can't solve a problem before their is a problem.
I hope this helped.
A suspicious character might:
- look around suspiciously
- look at the time a lot/or phone
- disappear into a corner/something
- look suspicious
- walk around glaring
those are some ideas, i hope they help :)
Answer:
look for key words like me i we, for first person then he she they, for 3rd person, itll change how the story is told