Answer: The author wants to say that we should not take our physical activity away from our study because it is very important to us and those who do physical activities are better at studies than those who do not take part(participate) in extracurricular activities.
1. To Reduce (E). Make less; decrease.
2. Exorbitant (D). Much more than reasonable.
3. To cull (B). To collect something from different places.
4. Showcase (A).Good qualities of someone or something.
5. To eliminate (C).To get rid of something that is not wanted or needed.
I have experience with this I am <span>currently</span> doing this in English, the answer is D. the characters belong to the same social class. if this answer is incorrect I am very sorry but I think its defiantly this one.