Understand transcendentalism what is the purpose of a metaphor in a written work

Does anyone know the answer to the question?

Read this excerpt from "hope, despair, and memory" and answer the question. and yet it is surely human to forget, even to want to forget. the ancients saw it as a divine gift. indeed if memory us to survive, forgetting allows us to go on living. how could we go on with our daily lives, if we remained constantly aware of the dangers and ghosts surrounding us? the talmud tells us that without the ability to forget, man would soon cease to learn. without the ability to forget, man would live in a permanent, paralyzing fear of death. only god and god alone can and must remember everything. which of the following demonstrates one of the metaphors and its meaning in the above excerpt? forgetting = a divine gift forgetting = danger remembering = ability to learn remembering = a divine gift

In what part of play’s structure do you usually get a feel for the characters and setting a)denouement b)exposition c)rising action d)falling action