Mustufa ran the 100-meter and 200-meter races (but the one he had trained for the hardest was the 400-meter competition).
This is the only answer that is grammatically correct. Parentheses cannot just be place anywhere in a sentence. They are used to add extra information for clarity or information that is an aside). An aside is something that is not the main part of the discussion. In this sentence, the main point is that Mustufa ran the sprint races. The extra information is that he trained for the mid-distance race.
This is because Yu Tsun is more melancholy and full of foreboding. He says lots of ominous, uncheerful things, like "with the eyes of a man already dead, I contemplated the fluctuations of the day which would probably be my last." Since he's the narrator we hear from the most, the overall tone is one of gloom and doom. The story shows that there are many challenges as the story develops, but in the end h<span>e wraps up every little loose end to his labyrinthine narrative in the space of a single paragraph – and in this case, there's a lot to wrap up. </span>
Answer:
A research paper is an essay in which you explain what you have learned after exploring your topic in depth. In a research paper, you include information from sources such as books, articles, interviews, and Internet sites. You also use your own ideas, knowledge, and opinions.