They are the author's memories and impressions with the man he based Life of Pi off of. If you read the introduction(which is all in italics) he talks about how he came to write the book, and one thing the author mentions is the first meeting of real-life Piscine. So while the story is going on, the author adds in his thoughts on the main character.
True.
I am guessing it is a true and false answer?
The answer is A. his embarrassment about the cause of his beloved father's death.
The story revolves around Jerome's father dying because he was crushed by a pig that fell from a balcony. Jerome used to idolize his father, perhaps partially because he also lost his mother when he was very young and his father was the only parent he had. As he grew older, he realized people's reactions to this event was laughter. He became embarrased, and this caused him angst.
Answer:
The narrator starts to hear the heart beating while the police officers are in his home. It slowly drives him crazier and crazier, eventually confessing to the officers, thinking they know of his doings and mocking him.
