The purpose of this excerpt is about the preservation of the balance. It shows that there are left-handed people, alongside with right-handed ones. This truth comes from the nature. Among all of these given options, the only correct answer is C.
This writing technique is known as the flashback. It makes the writers back time from the present point of his/ her novel. This writing technique is usually used to remember the past events that occurred in the history. This technique is also used to reveal some essential truth about the main character in the past.
Answer: b. themes are designed to teach morals
