Answer:
We need to read the passage in order to know.
C. To send his son back to the cemetery
It relates the daily struggles of average American people with honesty.
It presents, in an enduring fashion, a realism and regionalism new to literature.
B AND C
The subordinate clause in this sentence is 'Since I stopped vacuuming', and it is used as an adverb in this sentence, the adverb of time.
