I would go with C. the first two paragraphs build tension, making the reader think something bad is going to happen. And then Surprise!! its just the brother. that is how the author creates surprise. Hope this helps! need anything else just ask! :)
Answer:
The correct answer would be C; Imperative
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.
D : preceded by preposition
Answer:
I think we yawn because we are bored, tired, or annoyed.
Explanation:
Its how the human brain works
