Them would be the correct pronoun for this sentence because books is plural and is an object, so its pronoun must be third person. The 3rd person plural pronoun in English is they, and its objective/accusative form (the form used when the item is the object of a verb) is them, so there's your answer.
A.Narrative because its in the 3rd person point of view
Change all the condensed words like wasn’t to was not to make it appear longer. try to give your own point of view and a conclusion sentence and why you chose what u chose
Answer:
Dog training is the example