I myself haven't read or watched Titanic. But I think the answer is either B or D. You should try to find the answer among these two. Good luck!
Personification because it's giving the heart human characteristics
Waverly Jong represents to the narrator a) a rival prodigy.
She is a Chinese chess champion and brags about it to the narrator, Jing-mei.
Hi! I take it to mean that you can't make the team all about you- basically you need to include everyone and not only you