The answer to your question is: Some strong examples that show why the subject is important to the narrator. Hope I have helped.
A is correct.
Explanation: Because it's means it is
Its means something like theirs, itself, e.x - the dog likes to curl up in its bed.
The correct answer is A.That the man is determined to protect himself.
Explanation:
This guy is having doubts about the fences. He thinks that they are not good at all if the function is to separate people or animals. He also tries to mention a mythological being like the elves to make reference to the walls. The connotation of "grasped" is to make an idea that he is holding stones to protect himself.
Answer:
The researcher conducted experiments by using the scientific method.
Explanation:
It makes a little sense considering that the question did not elaborate further.