There are many reasons why setting is important in literature, but the best option from the list would be that "II. It contributes to atmosphere and mood".
812/5*11=1786.4
1786.4*11/2=9825.2
9825.2*16=157203.2
157203.2*7/8=137,552.8
Each night is new; previous events do not matter.
The translation says that "the moon never holds a grudge." This tells us the moon does not hold on to previous events, so they don't matter. The poem states "the moon has lost her memory" which also indicates whatever happened previously is not important. A and C can be eliminated immediately. Option D is wrong because even though it states what the moon does at night, the speaker doesn't use any words to suggest it happens every night. Also, we know that the moon does actually change throughout the course of the month changing shape and the amount of moonlight that is available.
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