Overall, Thoreau wanted to prove that not everyone will easily flow with the rules of society. As a result, he calls the people who go different paths than the ones of society "different drummers."
In conclusion, your final answer should be A.
Answer:
In my family, there is a chore list. For example, a certain member of my family would do a certain chore on a certain day of the week, lets say my older sibling has to take the trash and recycling down on monday night or I have to do the dishes on Friday.
The second and last sentences use the most florid language and are thus more interesting to a reader.
Hope this helps.