I would have to say D. CITATIONS ALLOWS READERS TO INVESTIGATE ALLEGATIONS OF PLAGIARISM. Plagiarism can be a big deal and you can get into a lot of trouble for it.
In the first excerpt, White has affectionate memories about the good-hearted and thoughtful performances that people executed at the time they moved forward. As a consequence, the passage is a good example that human beings possesss the ability to behave in a benevolent and self-sacrificing manner in the course of a catastrophe.
