B.) people realize the power of memory only when members of society touch upon something from the past.
A progressive form of a verb is formed with the ending "-in": the only verb form in the options that is formed with the ending "ing" is in option b.
The correct option is b: will have been falling. This tense is the future perfect progressive tense.
“Don’t play with the fire,” Mother said to the child.
It can make them forget about their roots,coming to a new place or being forced to leave your old tradition can affect the person physically and internally they become a new person by force