Answer:
to effectively convey his topic/purpose
Explanation:
in couching his appeal to the audience as an appeal to duty,
c) As the sun set, the nocturnal animals began stirring.
The first step is to read and identify important words/phrases in the story. Identify first the small and important details then you can see which ones are more important for the summary.
I think (i'm not completely sure) that the answer is B