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.
Talk about how many have come through the years.
For example: Many immigrants have entered (whatever country, I'd assume America but you can fill in the blamk) but by far the most that have entered would be (number here) and (this percent) have stayed and.....
And if not that, maybe talk about how their cultures have affected the world or another country because of immigration. I hope that helps!
I think the answer it will be C
D. Parallelism
The answer is parallelism because the structure of this excerpt stays consistent throughout these three sentences, it starts off with "it does not" in each sentence which creates a structure.