The answer is C, abcb.
the rhyme scheme goes like this:
I hear in the chamber above me (a)
the patter of little feet (b)
the sound of a door that is opened (c)
and voices soft and sweet (b) [it rhymes with "feet"]
Service is being an active helper in the community and taking action that can be of benefit.
Answer: B. While both sides agree that processed foods are more convenient, the damage they do to a person's health should not be ignored.
"Finding common ground" means trying to find the areas in which both sides of a debate agree on. In this example, both sides on the debate on processed foods agree that this type of foods are more convenient. Finding common ground when addressing a counterclaim can ensure that both sides listen to the statement, instead of one side feeling alienated or ignored.