What is the primary importance of the parable Wiesel tells at the beginning of his speech? It demonstrates the value of writing stories.
It illustrates that historical events are inevitable.
It explains how important memory is to Wiesel.
It shows that one should never question God’s judgment.

It explains how important memory is to Wiesel.

Explanation:

The given question refers to a Nobel prize acceptance speech given by Elie Wiesel, Romanian-born American writer, professor, and political activist.

At the beginning of his speech, Wiesel tells a parable, a short story with a moral or spiritual lesson, of a young Jewish boy who discovered the kingdom of night. This boy is actually Wiesel himself at the time of the Holocaust. Out of his entire family, he was the only survivor. That's why memory was very important to Wiesel, who explains how important it is to not forget about horrible events in order to prevent them from happening again.

the correct answer would be:  

a. adverb phrase