The tense that shows progression or continuation of actions or states of being is : C. Progressive tense
This tense usually spotted from its "to be" verb in the present tense and present participle of the verb
hope this helps
Well, the poem evolves around settings such as twilight, dusk, fire, plants, and birds. I would personally say the meaning behind it could vary between physically dark occurrences that aren't viewed as a true form! ( if ya get what I'm sayin)
What Wiesel means is that it would be a crime to forget. By forgetting the actions of the Nazis, we are contributing to the pain caused. If we forget we are letting the Nazis get away with what they did without facing any consequences