Answer: Letter A. By having the narrator recall the story's past events and giving hints about what happened.
Explanation: As read in the paragraph above, and extract of H.G. Wells, "The War of the Worlds" published in the year of 1898, it is mentioned that the Martians consider the mind of the human to be inferior, the same way we consider beasts on Earth and that they will surely have plans against humanity, making the narrator remember the moment.
