The answer is A) description because the teacher is describing the exact consequence for the exact behaviour. We can see that she has little time for nonsense and for misbehaviour and that she is strict and doles out punishments. While we can see this through actual dialogue it is not dialogue that characterizes the teacher. Pacing is used to see how fast or slow the story progresses and reflection is looking back on a story.
That is the best book that I ( have read )on that subject.
reason = because that event has already happend in past but its impact is still on present so it is past perfect..........
Answer: That would be an onomatopoeia, the use of words which sound like what they describe. ("bonged" in this context)
Explanation: "Bonged" is describing a sound.