Answer:
C. repeating main ideas
Step-by-step explanation:
In the above excerpt, Thoreau focuses on adapting the simplicity in life. He pleads the people to live in a simpler way of living and adopt such type of living. He repeats the idea continuously and stresses on adopting such a way of life. He asks the people to opt for things which are basic and required. The asks people to live as individuals and opt for spiritual happiness and simple living.