You'll want to leave it out. if it isn't conducive to the content of your paper, it's more like a distraction from what you're trying to say. parentheses might be a "safe" way to signify a side topic, but it weakens the paper as a general statement because the reader has to pause and take a moment to absorb a new topic before going back to what you were saying
The correct answer to this open question is the following.
Here we have a statement, not a question. It seems that you forgot to include the question.
However, in order to help you, we can say the following.
The act of giving instruction or important information can be understood as an order. To give orders with good grammar, you use the imperative mode
If you are referring to the proper way to give instructions as a leader or in the corporate world, you need to do it properly, respectfully, but in an energetic way to express authority. It is a command, expressed with respect, but a command that needs to be obeyed.
The children have been studying for the test
The correct answer is C. Because it is one of the few words a raven can say. The speaker, a man who grieves for his deceased love, Lenore, has been visited by a talking bird who only know one word: Nevermore. He was so depressed of having lost his love that he allows his imagination to transform the bird into a prophet bringing news that the lovers will "Nevermore" be together.