Flashbacks are generally used in stories to gain insight on a characters past. These flashbacks may reveal past mistakes, triumphs, milestones, or relationships experienced by the certain character.
Flashbacks are a useful tool in storytelling because they can explain why a character acted a certain way towards a present situation.
You can also utilize the flashbacks to determine how a character might act in the future, or the choices a character might make.
While others might not know why a character acted a certain way, the reader does because you have insight on their past.
Those sentence are using customary abbreviation for ''that is'' or ''id est'' and that is i.e. which is always written with full stop so the answer B) could not be correct.
When we are using a percentage, it is correct to write the numbers as it should and not with words, so the answer A) is not correct to.
Forty-three is correctly written and it should be written like that while other whole numbers could be written in a different way.
